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Which of these mutations would best be described as beneficial? Choose 1 answer: A a mutation that prevents a person's blood from clotting normally (B) a mutation that does not affect a person's observable traits (C) a mutation that lowers a person's risk of getting heart disease
The first vertebrates to live on land were , but the were better adapted to terrestrial living. reptiles; mammals amphibians; reptiles reptiles; amphibians mammals; amphibians
Level of PPE selected when the greatest level of respiratory and eye protection is required The command post should be in the cold zone
3. Explain why there are both upper and lower limits to cell size. As volume increases, what happens to the surface area: volume ratio? What other features of a cell can influence the surface area: volume ratio? 4. Describe the structure of the nucleus. What is its function? What is the envelope like? What do the pores do? How is the envelope and its pore structure related to the function of the nucleus? Notice that the nucleolus is a particular subpart of the nucleus. What happens there? 5. Describe the structure and function of a eukaryotic ribosome. Distinguish between free and bound ribosomes in terms of location and function. Compare the structure and functions of smooth and rough ER.
Case Studies: Chapter 6 Infectious and Parasitic Diseases
Comparing the phenotypic and genotypic ratio of a monohybrid cross for a gene that shows an incomplete dominance reveals that in the F2 generation the genotypic ratio is 1:2:1 while phenotypic ratio is 3:1, the genotypic ratio is the same as phenotypic ratio, all of the F2 are of the same genotype and phenotype (all heterozygous), the genotypic ratio is 3: 1 while phenotypic ratio is 1: 2: 1
Question 3 Sympatric speciation occurs when two populations experience different mutations. living in the same location experience different selection pressures. form fertile hybrids are physically separated from each other. Question 4 Adaptive radiation occurs when a mutation caused by solar radiation produces adaptations. a population expands across a uniform habitat multiple new species are produced because subpopulations adapt to new environments a species loses adaptations through mutation
Multiple Choice Question When the sympathetic neurons stimulate the adrenal medulla to secrete epinephrine during pain, fear and/or stress, this is an example of a - gland. - substance - neuron - hormone
The start of oogenesis begins with which cell type? a.) Ovum b.) Primary oocyte c.) Oogonia d) Secondary oocyte
What tRNA anti-codon would match the mRNA codon -U-A-C-? -A-U-G- -U-T-C- -T-A-C- -U-A-C-
For each description presented in the following table, identify the corresponding type of inventory. Description Inventory Type Uncooked meat patties and potatoes are examples of this inventory in a fast-food restaurant. The cooked hamburgers and french fries stacked under the heat lamps at a McDonald's restaurant are examples of this inventory.
What is the term for an area immediately adjacent to a stream that is suitable for trees because more water is available for plant growth? Treeline Tree zone Riparian zone Adret zone
Which vitamin plays the largest role of any vitamin in metabolism? Vitamin B Vitamin C Vitamin E Vitamin K
Large, negatively charged proteins inside the cell cannot readily diffuse across the neuron membrane.
Mumps
An increase in enzyme or substrate concentration will Multiple Choice not change the rate of product produced. increase the rate of reaction. interfere with the reaction. decrease the rate of reaction. < Prev 6 of 50 Next >
Many human traits, such as our performance on intelligence tests or our susceptibility to heart disease, are . determined by genes in some people and by the environment in other people determined solely by environmental factors influenced by both genes and the environment determined only by our genes
The cervical region of the vertebral column consists of 5 vertebrae a single bone derived from the fusion of five vertebrae 12 vertebrae 7 vertebrae
The final step in a Sanger DNA sequencing reaction is to run the DNA fragments on a gel. What purpose does this serve? It separates DNA fragments generated during the sequencing reaction based on one-nucleotide differences in their size. It separates DNA fragments based on their charge. It adds ddNTP to the end of each DNA fragment. It changes the length of the DNA fragments.
CENTRAL NERVOUS SYSTEM ANATOMICAL MODEL Identify the highlighted structure.
Does the amount energy spent on the immune system have an impact on reproductive capacity? An example of physiological trade-offs. Consider the hypothesis below. Hypothesis: Since organisms have a limited amount of energy for metabolic and developmental functions, there has to be an energy trade-off between reproductive function and immune function. Based on that hypothesis, make predictions for the following scenarios. 13. Prediction #1- If sperm are removed from male crickets over several days (and, therefore, they have to make new sperm on a daily basis), what will happen to their ability to fight infections?
Which of the features listed below is not found in all cells? Multiple Choice Ribosomes Cytoplasmic membrane DNA Nucleus
a. You build a chicken coop in your suburban backyard. You have several hens and one rooster. The rooster wakes up your neighbor each morning at 5:00 am. Your chicken coop creates a negative externality if your chickens do not lay eggs. creates a negative externality if the neighbor wants to sleep longer and a positive externality if the neighbor is happy to be awaken early each day. creates a positive externality if you sell your chickens' eggs at the local farmers' market. creates a positive externality if the neighbor wants to sleep longer but accepts free eggs in exchange for the inconvenience. b. You get sick and go to a doctor. The doctor diagnoses you with a bacterial infection and prescribes an antibiotic. Your visit to the doctor produces a positive externality if it prevents other people from getting sick and a negative externality if the bacterial infection becomes resistant to antibiotics. produces a negative externality if the doctor was hoping to leave early that day and a positive externality if the doctor was hoping to boost her income. produces a negative externality if you were supposed to be home studying for your classes. produces a positive externality if your medical insurance pays for the visit and a negative externality if you have to pay out of pocket. c. An urban farmer decides to build a bee hive to help pollinate the rooftop gardens in his neighborhood. The beehive generates a positive externality if the farmer creates a successful online business that sells products made from the bees' honey. generates a negative externality if the bees are killed by a colony of wasps. generates a positive externality if the rooftop gardens benefit from the pollination and a negative externality if the neighbors get stung by bees. generates a negative externality if the farmer spends nearly all his time tending the bees and rarely leaves his home.
7 Cerebrospinal fluid is produced by the a. dural sinuses. b. choroid plexuses. c. ventricles. d. meninges.
A manufacturing machine has a 5% defect rate. If 8 items are chosen at random, what is the probability that at least one will have a defect?
Which of these is a testcross? A? x aa A ? × A a
Drag the labels to their appropriate locations to identify the type of point mutation shown.
Question A new species was found on one of the Galapagos Islands. Researchers have finally captured one of the novel species and checked its heart rate with an intelligently designed heart rate monitor. They discovered that the species has a heart rate of 210 beats in 70 seconds. What is the rate of beats per second? Provide your answer below: beats/second
Do all of the cells of a multicellular organism contain the same genetic information? Justify your answer with describing how the cells arose via mitosis.
What cellular event is occurring in this picture? cytokinesis S phase interphase G2 phase
Which key feature distinguishes a synovial joint from other joint types? - presence of cartilage - presence of connective tissue - presence of a joint cavity - presence of collagen fibers
How was Rosalind Franklin's work important in the discovery of the structure of DNA?
Which vein drains blood from the axillary and smaller local veins near the scapular region? - Internal jugular vein - Subclavian vein - Brachiocephalic vein - External jugular vein
Two alligators are heterozygous for albinism (Aa). The dominant allele (A) codes for normal pigmentation, and the recessive allele (a) codes for no pigmentation. What percentage of their offspring would have an albino phenotype?
Collecting vessels are formed by the convergence of several lymphatic.
QUESTION 6 Which of the following statements best explains encoding as a function of memory? a. The input of information into the memory system. b. The process of discarding unimportant information. c. The creation of a permanent record of information. d. The act of getting information out of memory storage and back into conscious awareness.
Deep voice Narrow hips Broad shoulders Low basal metabolism Decreased bone strength
learning.mheducation.com/static/awd/in... Mc Mic Hil Exit Assignr م 28 of 32 Concepts completed (i) Multiple Select Question Select all that apply Select the problems that occur as a result of postzygotic isolating mechanisms. Hybrid organisms are less likely to survive in nature. Hybrid embryos do not develop properly. Hybrids are sterile. Hybrids are geographically isolated. Need help? Review these concept resources. Rate your confidence to submit your answer. High Medium Low Re O) 2024 McGraw Hill. All Rights Reserved. Privacy Center Terms of Use
Which phase of matter has atoms that are tightly packed and vibrate slowly? Liquid Gas Plasma Solid
The correct sequence for the steps of meiosis I is Multiple Choice telophase-anaphase-metaphase-prophase 46 chromosomes, 23 chromosomes, then 46 chromosomes prophase-metaphase-anaphase-telophase anaphase-metaphase-prophase-telophase
What is an important characteristic of an index fossil? A. It must have been very large. B. It must have lived for a short geologic period of time. C. It must have lived in a very specific geographic region. D. It must not be extinct.
The way a rock reflects light is called the rock's A. specific gravity B. cleavage C. luster D. streak
Preganglionic neurons of the Autonomic Nervous System emerge from the lateral gray horns of the spinal cord. the brain only. both the brain and the lateral gray horns of the spinal cord. the posterior gray horns of the spinal cord.
Which choice is an element? potassium salad water sugar
Revision activity 14 1. Match the phrase in Column A with the term in Column B. Column A Column B A. Rapid increase in temperature to above 1000°C 1. Ozone B. Weather occurs here 2. Thermosphere C. Temperature increases with increasing altitude 3. Troposphere D. Meteors burn up in this layer 4. Stratosphere E. Compound that absorbs ultraviolet radiation 5. Mesosphere 2. Tabulate the gases found in our atmosphere. Include information about the percentages present and their uses. 3. Air pollution occurs largely as a result of energy generation and usage. What are the three main environmental concerns arising from air pollution? 4. What is ozone and why is it important for life on Earth? The following questions refer to global warming: 5. Why is it important that our globe is warm? 6. What are the gases responsible for keeping the temperature of the Earth constant and warm called? 7. Name two of these gases. 8. These gases have been present for millions of years. Why are we now facing a problem of global warming? 9. How do these gases actually cause global warming? 10. Does it really matter if the temperature of the Earth increases by a few degrees? Explain your answer fully.
- Review what is the main activity of all muscles - Know how cardiac muscle differs from skeletal muscle
Many farmers are worried about the decreasing genetic diversity of plants associated with generations of artificial selection and inbreeding. Why is limiting random sexual reproduction of food crops concerning?
A bacteriophage that incorporates itself into the host genome as a lysogenic prophage is called a(n) phage.
stretched out (a bladder is distended when filled with urine)
The deepens the socket of the hip joint and helps stabilize the joint. lower abdominal acetabular labrum lesser trochanter greater trochanter roven capitis
The principal government agency responsible for tracking infectious diseases in the Unit
A vesicle containing a membrane protein is about to fuse with the plasma membrane and deliver its contents. Where did it most likely just come from? smooth endoplasmic reticulum Rough endoplasmic reticulum nucleus trans face of the golgi cis face of the golgi
contribute to the flexibility, structure, and proper functioning of cell membranes. Multiple Choice Carbohydrates Phospholipids Saturated fatty acids Fat-soluble vitamins
Structure D in Figure 3 represents a tRNA molecule DNA molecule protein codon
Column I. Column II Correct Letter Word Definition G 1. stratum basale A. epidermal tissue C 2. Pacinian corpuscle B. secretes oily fluid D 3. Stratum corneum C. nerve receptor in dermis B 4. Sebaceous gland D. composed of dead cells H 5. Sudoriferous gland E. associated with friction ridges 6. Stratified squamous epithelium F. epithelium around hair root * 7. Hair follicle G. mitotically active layer 8. Papillary region H. sweat gland 9. Irregular dense connective tissue 1. dermal portion of hair 10. Hair root J. dermal tissue
Which species of roundworm can affect humans and canine?
Question 41 (1 point) Babies are typically able to crawl between months of age. 6 and 10 5 and 8 10 and 12 8 and 10 Question 42 (1 point) speech is the style of speech directed toward infants that is characterized by short, simple sentences. Child-centered Parent-generated Infant-directed Adult-modified
Multiple Choice Question The optimum condition for processes in and on the membrane of bacterial cells is a slightly hypotonic environment because - there is no net diffusion of water across the membrane in this condition bacterial cells cannot tolerate the movement of water across the cytoplasmic membrane plasmolysis is the most efficient structure for the cytoplasmic membrane the cytoplasmic membrane is fully extended and the cytoplasm is full.
Autonomic Nervous System (ANS) Physiology, Part A: Control of Heart Rate The autonomic nervous system regulates involuntary body functions, including heart rate. As sympathetic and parasympathetic inputs to the heart change, heart rate adjusts accordingly. In this experiment, you will observe how heart rate changes in response to various physiological challenges. Product A Product B Product C Base HR 70 beats/min 70 beats/min 70 beats/min 1.0 min 2 beats 4 beats 8 beats 2.0 min 4 beats 8 beats 16 beats 3.0 min 6 beats 16 beats 24 beats 4.0 min 8 beats 20 beats 32 beats Using the data above, complete the following: 1. For each product, calculate the change in heart rate (ΔHR) from baseline at each time point. 2. Graph ΔHR vs. time for all three products on the same set of axes. 3. Based on your graph, which product caused the greatest increase in heart rate? The least? Multiple Choice: Which of the following statements about the autonomic control of heart rate is correct? - The sympathetic nervous system increases heart rate - The parasympathetic nervous system increases heart rate - Norepinephrine is the neurotransmitter for the parasympathetic nervous system - Acetylcholine is the neurotransmitter for the sympathetic nervous system
Question 27, 6.3.18 Part 3 of 3 HW Score: 50.76%, 23.86 of 47 points Chapter 6 Review Homework Kennedy Pierre 11/04/24 8:04 PM A genetics experiment involves a population of fruit flies consisting of 3 males named Al, Billy, and Carl and 1 female named Dana. Assume that two fruit flies are randomly selected with replacement. a. After listing the possible samples and finding the proportion of males in each sample, use a table to describe the sampling distribution of the proportion of males. Proportion of males Probability 0 0.0625 0.5 0.375 1 0.5625 (Type integers or fractions.) b. Find the mean of the sampling distribution. μ=0.75 (Round to two decimal places as needed.) c. Is the mean of the sampling distribution [from part (b)] equal to the population proportion of males? If so, does the mean of the sampling distribution of proportions always equal the population proportion? A. No, the sample mean is equal to the population proportion of males. These values are not always equal, because proportion is a biased estimator. B. Yes, the sample mean is equal to the population proportion of males. These values are always equal, because proportion is a biased estimator. C. No, the sample mean is equal to the population proportion of males. These values are not always equal, because proportion is an unbiased estimator. D. Yes, the sample mean is equal to the population proportion of males. These values are always equal, because proportion is an unbiased estimator.
Problem 4-16 (Static) Comprehensive Problem-Weighted-Average Method [LO4-2, LO4-3, LO4-4, LO4-5] Builder Products, Incorporated, uses the weighted-average method of process costing. It manufactures a caulking compound that goes through three processing stages prior to completion. Information on work in the first department, Cooking, is given below for May: Production data: Pounds in process, May 1; materials 100% complete; conversion 80% complete 10,000 Pounds started into production during May 100,000 Pounds completed and transferred out ? Pounds in process, May 31; materials 60% complete; conversion 20% complete 15,000 Cost data: Work in process inventory, May 1: Materials cost 1,500 Conversion cost 7,200 Cost added during May: Materials cost Conversion cost 154,500 90,800 Required: For May: 1. Compute the equivalent units of production for materials and conversion. 2. Compute the cost per equivalent unit for materials and conversion. 3. Compute the cost of ending work in process inventory for materials, conversion, and in total. 4. Compute the cost of units transferred out to the next department for materials, conversion, and in total. 5. Prepare a cost reconciliation report. Compute the cost of units transferred out to the next department for materials, conversion, and in total for May. Note: Round your intermediate calculations to 2 decimal places.
En un acuario se tienen 2 especies de peces, el 40% de los peces son de la especie Azul y 60% especie roja. De la especie azul el 30% son machos, mientras que la especie roja el 40% son hembras. a) Si se selecciona un pez hembra ¿cuál es la probabilicad de que sea de la especie azul? P(A/H)
3. What did you observe on the glass plate when you burned wood in part 1? How can you use this observation to explain why the mass of burning wood decreased?
Question 12 Humans cannot digest cellulose because they - have intestinal flora which use up B-glycosides - lack the necessary enzymes to digest B-glycosides - are poisoned by B-glycosides - cannot digest chlorophyll - are allergic to B-glycosides
3.3 yd
What is the plasma membrane composed of? Nucleic acids and lipids Cholesterol and carbohydrates Cholesterol and nucleic acids Carbohydrates and proteins Lipids (phospholipids and cholesterol) and proteins
How many different types of autosomes do humans have? 24 23 22 26
Which of the following represents a correct pathway that blood flows back to the heart? Cephalic vein --> Median Cubital vein --> Axillary Vein --> Brachial vein --> Subclavian vein Small Intestine --> Superior Mesenteric vein --> Inferior Vena cava --> Right Atrium All of these answers are correct Hepatic Portal vein --> Liver --> Hepatic vein --> Inferior Vena Cava --> Right Atrium Common Jugular + Subclavian --> Brachiocephalic vein --> Inferior Vena Cava --> Right Atrium
The term used for a biological catalyst is a(n) □
Marie Curie discovered radiation. She was also the first person to use radiation to treat tumors. Curie experimented extensively with radioactivity during her scientific career. Unfortunately, the damaging effects of radiation were not known then. Her exposure to radiation most likely was the cause of her blindness and early death. Still today, her scientific papers are considered too dangerous to handle without protective equipment. These documents are stored in lead-lined boxes. Even her cookbook is radioactive. Curie sacrificed her own life in an attempt to help others save their own lives.
Lysosomes contain enzymes that prepare the vesicles that will be used by the Golgi apparatus to package its secretory products. False True
Monogenetic Trematodes Digenetic Trematodes
The inner most lining encasing the lungs is the: a. Pericardial sac. b. Parietal pleura. c. Visceral pleura. d. Visceral peritoneum
Self antigens a proteln chalns MHC II molecules MHCI molecules
There are four major blood types, A, B, O, and AB. Each of these blood types may contain what is called the rhesus antigen. The presence of the rhesus antigen is designated as Rh+; the omission of the rhesus is designated by Rh-. A sample of population and the presence of a blood type is given in the table below. Type A B O AB Total Rh+ 180 50 180 15 425 Rh- 25 10 35 5 75 Total 205 60 215 20 500 (a) If a person is selected from this group, what is the probability that person has blood type O ? (Enter your probability as a fraction.) (b) If a person is selected from this group, what is the probability that person is Rh+ ? (Enter your probability as a fraction.) (c) If a person is selected from this group, what is the probability that person has blood type AB and is Rh-? (Enter your probability as a fraction.)
The carbohydrate that is found in plant cell walls is Multiple Choice chitin. sucrose. cellulose. fructose. starch.
How does the apneustic center in the pons stimulate deep breathing? (A) by stimulating neurons in the dorsal respiratory group in the medulla (B) by inhibiting the activity of neurons in the dorsal respiratory group in the medulla (C) by stimulating the pneumotaxic center in the pons (D) by suppressing neurons in the ventral respiratory group in the medulla
What borders the lungs inferiorly? A The diaphragm B The heart C The trachea D The ribs
Which of the following pieces of information can you obtain by performing histology? Arrangement of cells in relation to neighboring cells Criteria of malignancy of cells if present Characteristics of the cytoplasm and nucleus of cells Number and type of cells present
Copyright Θ McGraw-Hill Education. Permission required for reproduction or display. (a) Adenosine triphosphate (ATP) Identify the structural component of ATP labeled 2.
Hemolytic disease and Rh factor Complete the following statements about the role of Rh factor in hemolytic disease of newborns. Not all choices will be used Blood type depends upon antigens as well as whether a person has or does not have Rh factor on the If a fetus is Rh+ and its mother is Rh ; Rh can leak across the placenta and cause the mother to produce antibodies In a subsequent pregnancy with an child, the anti-Rh antibodies could cross the placenta and destroy the unborn child's RBCs. The baby will be severely and hemolytic disease will continue after birth. anemic platelets antigens pathogens white blood cells red blood cells Rh
Muscle tissue holds more water than fat tissue. True False
Which of the following is an advantage of using oral contraceptives? It results in less menstrual cramps. It provides protection against HIV. It is independent of a woman's health profile. It prevents against breast cancer.
Question 15 (1 point) The protein leverage hypothesis suggests that humans have evolved to have a fixed daily dietary protein target that must be reached to optimize physiologic functioning proteins make a better energy source for the human body than carbohydrates or lipids proteins must be consumed in order to properly absorb and digest other nutrients eating too much protein causes humans to overeat
For an experiment testing the pineapple gummy bear, our alternative hypothesis would state "There is a difference in a taster's ability to identify the flavor of the pineapple gummy bear based on taste and smell and taster alone". If our alternative hypothesis is supported what would we expect the results of our experiment to show The number of correct responses in the control group and the treatment group to be similar. The number of correct responses does not determine if the alternative hypothesis is supported or not. The number of correct responses in the control group to be greater than the number of correct responses in the treatment group.
In the Mitosis simulation, we studied the effects of the drug paclitaxel on cultured cells. Based on your examination in the simulation you were able to conclude: Paclitaxel had no effect on cell division Paclitaxel inhibits cell division Paclitaxel was not studied in the simulation Paclitaxel accelerates cell division
Abdominal fat is considered a greater threat to health than fat in the hips and thighs because abdominal fat Multiple Choice reduces lung capacity. squeezes the heart. more easily enters the bloodstream. causes lower back ailments that lead to inactivity.
Normally, fibers possess individual characteristics. 1) True 2) False
Which of these BEST explains what would happen if pisaster starfish were wiped out from an intertidal zone? If pisaster starfish were wiped out, the ocean ecosystem would not change. If pisaster starfish were wiped out, mussels would overpopulate leading to impacts on other species. If pisaster starfish were wiped out, all mussel populations would die off with them.
To understand DNA replication, we need to understand the "why." Why does DNA need to replicate before cells divide?
Which structure is NOT part of the blood circulation in the kidney? A) vasa recta B) loop of Henle C) glomerulus D) renal corpuscle E) peritubular capillaries
How is facilitated diffusion in axons similar to active transport?
Approximately of total body water is contained in the extracellular fluid compartment. The remaining of total body water is contained in the intracellular fluid compartment. The extracellular fluid compartment is subdivided into the plasma and interstitial compartments in a to ratio.
The limbic system allows Multiple Choice processing and experiencing of emotion. bending over backwards. perception of language. expression of language. retrieving memories from a long time ago.
The right lymphatic duct receives fluid from the blank. right arm right side of thorax right side of head right side of body below diaphragm
What is the main role of the thymus gland? You can click the VIEW THEORY button to get some guidance with the question. a) It's a primary lymphatic organ where T cell maturation happens. b) It's a primary organ of the lymphatic system where B cells mature. c) It's a secondary lymphatic organ associated with the heart where immunecells mature. d) It's a secondary part of the heart were immune cells migrate to mature.
Mr. and Mrs. Frank just moved into a new home and need to do some landscaping. They are going to purchase one tree, one shrub, and one lilac bush at random from the list to the right. Use this list to complete parts a) through e). Tree Shrubs Lilac bushes Birch (B) Juniper (J) Anabel (A) Dogwood (D) Gold Mop (G) Common (C) Maple (M) Holly (H) Determine the sample space. Choose the correct answer below. A. JA, JC, GA, GC, HA, HC B. DJA, DJC, DGA, DGC, DHA, DHC, MJA, MJC, MGA, MGC, MHA, MHC C. B, D, M, J, G, H, A, C D. BJA, BJC, BGA, BGC, BHA, BHC, DJA, DJC, DGA, DGC, DHA, DHC, MJA, MJC, MGA, MGC, MHA, MHC c) Determine the probability that the Franks select a dogwood tree. The probability is 1/3 (Simplify your answer.) d) Determine the probability that the Franks select a birch tree and a holly shrub. The probability is (Simplify your answer.)
The function of myelin is to 11 Multiple Choice 02-09:21 block the transmission of a nerve impulse. provide points of attachment for nerve threads. produce faster nerve impulse propagation. produce slow but continuous impulse conduction.
A mixed nerve is one that contains both Multiple Choice cranial and spinal nerve fibers. sensory and motor neurons. unipolar and bipolar neurons. an endoneurium and an epineurium.
Which of the following is a source of endocrine disruptors in aquatic ecosystems? reduced sediment loads the presence of medications taken by humans increased rainfall increased sunlight
are icicle-like pendants of calcite hanging from cave ceilings. Concretions Straws Flowstone Stalactites Stalagmites
During the Jurassic Period, several different mammalian lineages independently evolved an herbivorous lifestyle for obtaining energy. This has resulted in different digestive patterns in herbivorous animals, some that depend on gut microbiota to digest plant material and some that do not.
It will be recharged with another amino acid. It will be removed from the nucleus by mRNA. It will bind to another tRNA molecule.
An organism's fitness depends on its - physical size - ability to swap genetic material with other organisms - population - ability to mutate - ability to survive and reproduce
Viruses acquire envelopes around their nucleocapsids during Multiple Choice adsorption release replication penetration assembly
© 2022 Chamberlain University Heart Valves Which valve prevents the backflow of blood into the right ventricle? Aortic valve Mitral valve Pulmonary valve Tricuspid valve Bicuspid valve
Jacob is 26 years old and he weighs 175 pounds. What is Jacob's RDA or protein? about 140 grams about 64 grams about 80 grams about 308 grams A complete protein source has all 9 of the essential amino acids. True False The majority of plant proteins are complete protein sources. True False
What is it called when waste ions and hydrogen ions pass from the blood in the capillaries into the renal tubules? a. Micturition b. Reabsorption c. Secretion d. Filtration
9. A squid is an example of a A. cephalopod C. gastropod B. bivalve D. trivalve 10. Mytilis edulis is an example of what type of bivalve? A. oyster C. clam B. mussel D. snail
If your instructor asked you to outline the path through which plasma is filtered into urine through the nephron, which of the following would you identify as the correct path? a. Ureter, collecting duct, capillaries, proximal convoluted tubule, distal convoluted tubule, nephron loop, glomerular capsule b. Glomerular capsule, distal convoluted tubule, nephron loop, proximal convoluted tubule, capillaries, collecting duct, ureter c. Ureter, capillaries, distal convoluted tubule, proximal convoluted tubule, glomerular capsule, nephron loop, collecting duct d. Capillaries, glomerular capsule, proximal convoluted tubule, nephron loop, distal convoluted tubule, collecting duct, ureter
A researcher introduces double-stranded RNA (dsRNA) into a culture of mammalian cells in an effort to stop the expression of a particular protein. The researcher can identify the location of the dsRNA and that of its smaller subsections experimentally, using a fluorescent probe. Some time later, she finds that the introduced RNA separates into single-stranded RNAs, one of which is degraded. Which of the following will provide evidence that the remaining single-stranded RNA is active? - The rate of accumulation of the polypeptide to be translated from the target mRNA is reduced - The amount of miRNA is multiplied by its replication - The cell's translation ability is entirely shut down - The concentration of Drosha is reduced - The rate of single-stranded RNA degradation is increasing
Question 4 2 pts Which of the following functions inserts the total of a range? ROUND AVERAGE AUTOSUM SUM
Why is corn important
Reuptake of a neurotransmitter refers to A absorption of the neurotransmitter into the dendrites of the receiving neuron B absorption of the neurotransmitter into the terminal buttons of the sending neuron (C) release of the neurotransmitter by the soma of the originating neuron (D) the rate at which a neurotransmitter is created for use by a neuron
Symptoms of Different Staphylooccus aureus Infections Match the staphylococcal disease with its symptom. 1. Organ damage/shutdown (Click to select) 2. Localized abscesses (Click to select) 3. Vomiting (Click to select) 4. Bone infection (Click to select)
8. Faye and Omar ate the same amount of a small quesadilla. Faye's quesadilla was cut into 4 pieces and Omar's was cut into 8 pieces. How many pieces might they each have eaten? Explain your reasoning.
4) Select the best answer. What is an unusual characteristic of Lake Nicaragua? it has 400 islands it covers only 3 square miles it is a saltwater lake none of these 5) Select the best answer. The Salto Grande Dam is a means of flood control for Peru not important to the surrounding countries an important source of electricity in Argentina an important source of nuclear power
Which best lists the end products of the light-dependent reactions of photosynthesis? ATP and NADPH CO2 and H2O ATP, NADPH, and O2 C6H12O6 and O2
Tissue fluid becomes lymph once it has entered a lymphatic capillary; lymph formation depends on tissue fluid formation. Tissue fluid is made up of Blank 1 and dissolved substances that leave blood capillaries by the process of Blank 2. The Blank 3 pressure of tissue fluid drive the entry of lymph into lymphatic capillaries. A condition that interferes with the flow of lymph will result in a condition called Blank 4. Lymph nodes are Blank 5 shaped with blood vessels, nerves, and efferent lymphatic vessels attached to the indentation, called the Blank 6, and with afferent lymphatic vessels entering on the convex surface. The white blood cells within lymph nodes filter Blank 7, and remove bacteria and cellular debris before it is returned to the blood. Lymph nodes are also centers of Blank 8 production; these cells function in immune surveillance.
1. The production of antibodies is the result of a immune response, involving lymphocytes. 2. An antibody is a molecule produced by cells called cells. These cells result from the proliferation of activated B cells. proteins. 4. Each antibody targets a specific with the intention of destroying or neutralizing it.
My favourite dwelling place is corn. My products get down to your liver, where I transform into a carcinogen. Who am I?
Quiz - Unit 1: HIV, AIDS, and Hepatitis Bloodborne Pathogens 11 of 25 Which of the following can cause infectious disease? Fungi, plants, animal dander, dust Virus, bacteria, fungi, protozoa Cells, virus, atoms, amoeba Sneezing, allergens, biochemicals, experiments
Arrange the steps involved in fluorescence in situ hybridization (FISH) in the correct order, placing the first step at the top. Treat cells with agents that cause them to swell and fix them onto a slide. Denature chromosomal DNA. Hybridize chromosomal DNA to single-stranded DNA probes containing biotin. Add fluorescently labeled avidin. View with a fluorescence microscope.
CELLULAR RESPIRATIONAND PHOTOSYNTHESIS
Thrombocytes are red blood cells. eosinophils. platelets. monocytes. basophils.
The ultimate goal of biomimicry is to reduce resource usage, eliminate waste altogether, reduce the reliance on "closed-loop" production, eliminate duplication in the production process.
Which animal cells divide by mitosis?
Blood flow back to the heart is due to pressure generated by contractions of the heart. the respiratory pump. the skeletal muscle pump. All of the choices are correct.
Which of these would be found on the surface of every B cell, T cell and pancreatic cell? MHC class II molecules MHC class I molecules CD4 Both MHC class i and class II molecules A rearranged antigen-specific receptor
Which of the following genetic diseases affect males and females equally? a. cystic fibrosis b. hemophilia c. color-blindness d. muscular dystrophy
Find the number of elements in the following sets. Complete parts (a) and (b) below. a. x x is a letter in the word inconcoction square elements b. The set of letters appearing in the word disinterestedness. square elements
5. What are glial cells? What important roles do they play in the nervous system?
Question 9 (1 point) In the cell cytoplasm is divided into two prophase metaphase anaphase telophase interphase cytokinesis
led: Quiz 1 Saved Lipids, like nucleic acids and proteins, are made of strings of similar subunits. True or False True False Prev 8 of 25 Next
12 of 29 Concepts completed Multiple Choice Question Which of the following is an inherited factor that influences a person's susceptibility to develop a particular disease? Diet Lifestyle Genetics Environment Need help? Review these concept resources. Read About the Concept
Down Syndrome Which statements are true about Down syndrome? It is more prevalent in women over the age of 35. It occurs in approximately one in every 700 births. It is least common in African American infants.
Name the function of the anterior pituitary Multiple Choice To protect bone and prevent hypocalcemia To initiate secretions from glands To detect touch and pressure To inhibit secretions from glands
Which temperate grassland is cold most of the year and has a very short growing season? prairies savannas plains steppes
Question 3 1 pts Global Animal Partnership uses a 3-Step program to help consumers make better informed decisions based on how animals were raised. True False
A human egg with 22 chromosomes that is fertilized by a normal sperm will result in a zygote with trisomy. a zygote with disomy. a zygote with monosomy. a zygote with a normal chromosome number. a fertilized egg with 44 chromosomes.
What is endocrine signaling? A type of signaling that involves the release of hormones into the bloodstream When a signal molecule is released into the bloodstream to reach distant target cells A type of signaling where the signal molecule acts on cells in a different tissue A type of signaling where the signal molecule acts on the same cell that released it A type of signaling that occurs between adjacent cells
Chromatin fibers condense and become visible chromosomes The centromeres of all of the chromosomes are lined up in the center of the cell Microtubules not attached to kinetochores lengthen, causing the cell to elongate
2:51PM Sun Nov 3 AA ezto.mheducation.com Human Anatomy and Physiology 2 with Lab Question 25 - Chapter 19 Assignment (i) Saved 25 Part 1 of 5 0.31 points eBook Print References The ventricles contract. The atrioventricular valves close. The semilunar valves open. The ventricles relax. Mc Graw Prev 25 26 27 29 of 32
True of false? Chromosomal DNA is complexed with proteins, which help to maintain the structure of the chromosome and can influence gene expression. True False
Excessive consumption of fruit juice in infants and young children can lead to all of the following except: diarrhea. excessive kcal intake. poor intake of food. toxicity of the water-soluble vitamins.
Match these vocabulary terms to their meanings. enterogastric After swallowing, the square opens to allow food from the esophagus into the stomach. gastroesophageal sphincter hepatocytes During the square reflex, acid secretion in the stomach is inhibited. lipases The enzymes that digest lipids are called square Liver cells are more properly referred to as square
A tooth consists of two major regions, the crown and the - gingiva - root - enamel - dentin
Fill in the Blank Question 14 of 41 Concepts completed A regulatory molecule that inhibits an enzyme's activity by binding to a site other than the active site exemplifies: Need help? Review these concepts. Rate your confidence in submitting your answer: High Medium Low Reading Exit Assignment
Which of the following is a common bacterial infection? infectious mononucleosis the common cold staphylococcal infection influenza
PROCEDURE 1. Most organisms are diploid; that is, they contain homologous chromosomes with genes for the same traits. The location of a gene on a chromosome is its locus (plural: loci). Two genes at homologous loci are called a gene pair. Chromosomes have numerous genes, as shown in Figure 13-1. Genes exist in different forms, called alleles. Let's consider one gene pair at the Flocus. There are three possibilities for the allelic makeup at the Flocus. Both alleles are FF: Both alleles are ff: One allele is F, and the other is f:
What's the role of red blood cells? a) Immune defense against bacterial infections b) Transport of O₂ from the lungs c) Immune defense against viral infections d) Transport of albumin to muscle cells
Match each description to the correct type of immunity.
Which ocean formed as a direct result of the breakup of Pangaea? Mediterranean Arctic Atlantic Pacific
The purpose of an enzyme is to
SIDS is identified when the death of a healthy infant occurs suddenly and unexpectedly, and medical and forensic investigation findings (including an autopsy) are inconclusive. True or false?
i) The unit used to measure volume in the given context is.... A cm (B) cm^3 C cm^2 ii) Give the formula used to calculate the area occupied by the water dispenser on the floor. A Area = 2 (length + breadth) B Area = π × radius^2 (C) Area = length × breadth. Determine the total amount of water, in mL, recommended to drink daily. Write in 12-hour format, the latest possible time that he may drink his last glass of water. 8:30 PM
Identify the part of the bone model the arrow is pointing to.
Multiple Choice Question In which plant organ would you find mesophyll tissue? Leaf Stem Flower Root
Students in a high school woodworking class want to conduct a survey to determine the percentage of students in the school who are willing to pay a fee for participating in workshops. Students in each home room are alphabetically sorted by last name. A simple random sample of 12 home rooms was selected, and the survey was given to all 20 students in each home room. This plan is an example of which type of sampling? Cluster Stratified random Convenience Simple random Systematic
QUESTION 15 · 1 POINT Sally joined the Navy when she was 18. On her 19th birthday, she was on a ship in the Bering Strait, when a violent storm rolled in. Another ship suffered damage during the storm and was unable to regain control. She watched the ship and most of its crew sink, and there was nothing that could be done to stop it. What was most likely Sally's physiological response to this experience? Select the correct answer below: Sally's body secreted numerous hormones in response to the boat sinking, which ultimately created a powerful memory of the event in her mind. Sally's amygdala was overstimulated during the event, which caused long-term potentiation in her mind. Sally's body sustained such a rapid influx of hormones in response to the boat sinking, that she developed retrograde amnesia as a result. Sally's cerebral cortex was activated during the event, causing her to temporarily repress the memories and eventually develop false memories of the event.
3.2.4 Practice Questions Question 6 of 10 Time Spent 00:03:06 Back Next Which of the following are characteristics of an MTRJ fiber optic connector? (Select two.) They're called push-in-and-twist connectors. They must never be used with single-mode fiber optic cables. They can be used with multi-mode fiber optic cables. They use a keyed bayonet. They use metal guide pins to ensure accurate alignment.
NASA is conducting an experiment to find out the fraction of people who black out at G forces greater than 6. Suppose a sample of 1026 people is drawn. Of these people, 523 passed out. Using the data, construct the 99% confidence interval for the population proportion of people who black out at G forces greater than 6. Round your answers to three decimal places.
10. Compare and contrast PCR and DNA replication in vivo. Explain the biochemical basis for any differences, including the type of primers and which enzymes are required in each case. (PCR is fair game for the exam.)
Question 13 Match the following parasitology terms to their respective definitions: Vector [ Choose ] Definitive host [ Choose ] Infected host that makes a parasite available for transmission to other host Intermediate host Range of hosts in which a parasite can mature Reservoir host Organism tha transfers a parasite to a new host Host specificity Host in which the parasite reproduces sexually Host in which the parasite is present during some developmental stage other than sexual reproduction
Question 5 Which of the following statements best describes what happens to MPF during mitosis? The cyclin component of MPF is degraded. It is completely degraded. It is phosphorylated by a Cdk, which inactivates it. The Cdk component of MPF is degraded.
LearningCurve 12b. Antisocial Rel Relations Score: 55/300 Question Value: 25 levels of the hormone are related to delinquency, hard drug use, and aggressive-bullying responses to frustration. High; testosterone Low; leptin Low; testosterone High; leptin Need help on this question? Read the e-book page on this topic (no penalty) Get a hint (fewer points) Show answer (no points)
How many pairs of cranial nerves are there? 24 8 12 31
The layer of stem cells that constantly divide to renew the epidermis is the stratum corneum. stratum germinativum. papillary layer. basal lamina. stratum granulosum.
Select all that apply Good dietary sources of phosphorus include fruits. dairy. vegetables. meat.
Answer Bank Put it in order RNA is replaced with DNA and lagging strands are joined. Each genomic origin of replication assembles a prereplication complex. RNA primers are added to provide a 3' end for elongation. Active telomerase can extend the lost telomere region. 5' to 3' synthesis of the leading and lagging strands is carried out by DNA polymerase. The initiation complex creates an active replication fork as helicase unwinds DNA.
Multiple Select Question Select all that apply Which of the following represent challenges to chemotherapy for malaria? More than one answer may be correct. - All known antimalarials have significant toxicity to human cells. - The malarial parasite has not been isolated and therefore drug susceptibility testing cannot be performed. - Antimalarial drugs are not heat stable and can be rapidly inactivated in tropical climates. - Plasmodium has several stages to its life cycle, with varying drug susceptibilities. - Different geographic areas have Plasmodium strains with varying drug susceptibilities.
Which of the following is correct about the genetic code? Multiple Choice - Archaea and bacteria use one code and eukarya use another. - All living organisms use the same genetic code. - All prokaryotes use one code and all eukaryotes use another. - Fungi and animals use the same code, but plants use another. - Protists use a different code than other kingdoms.
Match the lymphatic organ with its function. 1. Tonsils: Protect against bacteria from entering the pharynx from the nasal or oral cavity 2. Lymph Nodes: Filter lymph; house lymphocytes 3. Spleen: Destroys defective red blood cells, responds to foreign substances in the blood 4. Thymus: Site for the maturation of T cells
Defense Fluid equilibrium Fat absorption
The salivary gland indicated in the figure is the gland.
Permanent teeth replace milk or square teeth.
BONUS QUESTION #1: When starting to introduce first foods to a baby, certain foods should be avoided altogether. List 3 specific foods AND the reason for avoiding these particular foods at this time. *Remember: The use of your textbook is NOT allowed on exams!!!
The contractile units of skeletal muscles are - mitochondria - T tubules - microtubules - myofibrils
A situation where the bones are connected exclusively by ligaments, cords, or bands of fibrous tissue is a synchondrosis gomphosis syndesmosis suture
Question 10 The trachealis muscle is located on the anterior aspect of the trachea, facing the thyroid. (A) True (B) False