Biology Homework Questions & Answers Archive

In the following statement, express the first number as a percentage of the second number. On one particular day there were 5101 deaths attributed to a virus in a particular country and 132,954 new cases. The number of deaths was % of the total number of new cases. (Round to the nearest tenth as needed.)

What is the stereochemistry of isoleucine? C 2 is (S) and C 3 is (S) C 2 is (R) and C 3 is (R) C 2 is (R) and C 3 is (S) C2 is (S) and C3 is (R)

A. Actin B. Collagen C. Intermediate filaments D. Microtubules

Question 3 (5 points) Uphill flow of sewage is accomplished by a pump. a) leach b) rough c) septic d) grinder

Identify the epithelium (VELLOW line). A. Pseudostratified B. Simple columnar C. Stratified cuboidal D. Stratified squamous

Unit 4 Practice Test Revised Biology - Integrated - A - Premier - 2425 / Unit 4-Genetics-Heredity-Revised Premier 2425 Below is a Punnett Square showing a brown dog with long fur (B8ff) bred with a black dog with short fur (bbFF) What letter(s) belong in the lower left box? BBff Bf Bf Bf Bf bF BbFf BbFf BbFf BbFf bbFF bF BbFf BBFf BbFf BbFf bF BbFf BbFf BbFf BbFf ? BbFf BbFf BbFf BbFf

neurons that respond to specific stimuli such as orientation, movement, and length neurotransmitters feature detectors nerve impulses synapses receptors

Unit 4 Quiz 3 Revised Biology - Integrated - A - Premier - 2425 / Unit 4 - Genetics-Heredily Revised Premier 2425 1. Choose ALL answers that are true. (tt is possible that only one answer is true) For a recessive trait to be seen, one allele needs to be recessive both alleles need to be dominant one allele needs to be dominant both alleles need to be recessive

Dynamic Study Modules - Learning: Chapter 2: Mitosis and Meiosis - Personal - Microsoft Edge https://kf1,amplifire.com/amp/#s/learn-app/hf/assignment/UB5UMYT2L. Pearson return Tyler De La Varre-Fay Learning: Chapter 2: Mitosis and Meiosis QUESTION What becomes of the sister chromatids after disjunction? ANSWER They fuse with each other, They attach to the spindle. They are degraded by enzymes. They become separate daughter chromosomes. IDON'T KNOW YET submit powereslomolifire

Smoking or UV radiation can cause damage to cells and result in cancer True False

What is meant by a phenotype ratio in a Punnett square? (1 point) the fraction of possible offspring that can be observed to have a trait the number of alleles in possible offspring the number of genes that are possible in offspring the fraction of possible offspring that contain a certain allele in their genes

What is the oxygen-carrying RBC protein that binds to oxygen as blood passed through the lungs? a Hemoglobin b Erythropoietin c Iron d Erythroglobin Which CSF may be prescribed to treat neutropenia? a Epogen b Neulasta c Procrit d Aranesp

What type of galaxy is shown? barred elliptical irregular spiral

Which hormone is actively involved in controlling hyperglycemia by escorting glucose to the cells? Select one: a. Epinephrine b. Glucagon c. Insulin d. Human growth hormone

Which of the following is a greenhouse gas? A. Ozone B. CFCS C. DDTs D. Carbon dioxide

Plaque in the wall of an artery is called a(n)

8. 9. 10. 11. 12. 13. The new food label replaced the Daily Values of vitamins A and C with which of the following? a. Vitamins A and E b. Vitamin D and iron c. Vitamin D and potassium d. Vitamin C and calcium

Which of the following is part of an organism's niche? A. Food source B. Equilibrium C. Interspecific competition D. Genes

What do we call the maximum number of individuals an ecosystem can support?

Amanda has 14 coins in her pocket that equal 54 cents. All the coins are nickels, (n), and pennies, (p). Which combination of coins does Amanda have? Use the table to answer the question. Number of Coins nickels ((n)) pennies (p) (n+p=14) 5 9 14 8 6 14 10 4 14 11 3 14 - 5 nickels and 9 pennies - 8 nickels and 6 pennies - 10 nickels and 4 pennies - 11 nickels and 3 pennies

Traits such as sociability and aggressiveness are thought to be - monogenic - non-inherent - vestigial - polygenic Which of the following causes Down syndrome? - The presence of an extra chromosome on the 21st pair - The presence of only 22 pairs of chromosomes - The presence of more than 23 pairs of chromosomes - The presence of an extra chromosome on the 23rd pair

Estrogen Progesterone are hormones secreted from the... Ovaries Testes Pituitary Hypothalamus

How do bacteria develop resistance to drugs? A. After a certain amount of the bacteria are killed by drugs, they learn to recognize and avoid it. B. If you do not take all of your antibiotics, they slowly develop a tolerance for it, like you would against certain toxins over time. C. Their ability to replicate very fast and natural mutations combine to allow them to evolve rapidly. D. If they only absorb a small amount, it works like a vaccine, immunizing them against larger amounts.

Which of the following situations involves Transgenics? A. Modifying lettuce to be frost resistant. B. Gene for human antibodies being introduced to goats. C. Human insulin being produced from bacteria. D. Creating potatoes that are toxic to beetles.

Initial Post Instructions There are a variety of roles that occur within the large intestines. In this first posting, please focus on one of the roles of the large intestines, explain it, describe the cells that help accomplish this role, and identify other structures or organisms that contribute to the process. Follow-Up Post Instructions Respond to at least one peer or the instructor. Further the dialogue by providing more information and clarification. Writing Requirements - Minimum of 2 posts ( 1 initial 1 follow-up) - Minimum of 2 sources cited (assigned readings/online lessons and an outside source) - APA format for in-text citations and list of references Grading This activity will be graded using the Discussion Grading Rubric. Please review the following links: - Discussion Guidelines

Saved A layer of lipids, proteins and glycoproteins that covers the outer surface of some viruses is the Multiple Choice casing. membrane. envelope. viroid. capsid.

Gastric Hormones Match each function to its appropriate hormone. : Promotes gastric juice secretion, gastric motility, and gastric cell proliferation : Triggers the feeling of hunger

71.) Which heart chamber pump oxygenated blood to the body? A) Left atrium B) Left ventricle C) Right atrium D) Right ventricle

The right lung is smaller than the left lung because of the cardiac notch to accommodate the heart. True False

A nurse is screening children for scoliosis. Which type of prevention does this illustrate? Primary Secondary Tertiary Quaternary

Use the following to answer questions 12-17: Determine the number of protons and the number of neutrons for each of the following. 12. Rb-85 37 R Rb 85-37=48 n 13. Sn-118 14. C-14 15. I-127 16. Pb-207 17. Hg-201

Water Malabsorption Which body system would be affected the most by a lack of water absorption in the intestines? Cardiovascular Nervous Lymphatic Integumentary Endocrine

Semester Exam (Days 89 and 90) 29. Which of these is an example of the phylum Cnidaria? trout coral sponge lobster

What is the third step in fieldwork for marine science? analysis/presentation exposure/sorting presentation/exposure sorting/analysis

The nurse suspects that a client is experiencing osteoarthritis. What information about the client's pain caused the nurse to make this clinical determination? (Select all that apply) - Worse after sitting - Improves with rest - Located in the right hip - Worse in rainy weather - Early morning stiffness

Which Quality and Safety Education in Nursing (QSEN) competency describes the monitoring of the developmental outcome in the nursing care process? Informatics Quality improvement Patient-centered care Evidence-based practice

A skin cell in G2 of interphase has as much DNA as it had in G1. twice four times one-fourth exactly half

Circle all that apply. Which of the following are properties of DNA? a. Double helix. b. Confined to the nucleus. c. Contains the sugar ribose. d. Contains the base thymine (T). e. Single stranded. f. Can move between the nucleus and the cytosol. g. Contains the base uracil (U). h. Contains the sugar deoxyribose.

The right pleural cavity contains the heart. both lungs. trachea. right lung. left lung.

Question 15 This is the superficial 20% of the dermis contains areolar connective tissue, capillaries and sensory receptors. Papillary layer Reticular layer Stratum corneum Stratum spinosum Question 16 The left ankle is to the left wrist. contralateral ipsilateral superior lateral

Amino acids are the building blocks of , such as muscle and hair tissue.

While investigating customer complaints, the customer relations department of Sonic Air found that 15 percent of the flights arrive early and 25 percent arrive on time. Additionally, 65 percent of the flights are overbooked, and 72 percent are late or not overbooked. One Sonic Air flight will be selected at random. What is the probability that the flight selected will be late and not overbooked? (A) 0.21 (B) 0.23 (C) 0.26 (D) 0.39 (E) 0.72

Which type of cloud forms close to the ground when the temperature is just above the dew point? cirrus cumulus fog stratus

Multiple Choice Question Name the family of macromolecules that plays a role in cell structure, communication (hormones and neurotransmitters), membrane transport, catalysis (enzymes), recognition and protection (immune factors), movement (contractile molecules), and cell adhesion. Carbohydrates Lipids Proteins Nucleic acids

Question 4 Since the 1980s, prevalence of obesity has: decreased stayed the same increased

For a total of 6 points: Describe the three forms of energy associated with blood and provide an original example of each.

A nurse is assessing a 49-year-old client who questions the nurse's need to know about sunburns they experienced as a child. How should the nurse best explain the rationale for this subjective assessment?

In which two parts of a chloroplast does photosynthesis take place?

Multiple Choice Question An endospore is a type of bacterial microcompartment a dormant cell type an obligate intracellular parasite a mode of bacterial reproduction

Multiple Choice Question The purpose of storage granules produced by some bacteria is to store o toxins o virulence factors o peptidoglycan o nutrients

25 If you cross two heterozygous Yy pea plants, what proportion of the offspring will be the dominant color yellow? Multiple Choice O 0% O 50% • 25% O 75% O 100% < Prev 25 of 28 ::: Score answer >

Multiple Select Question Select all that apply Which are examples of physiological work? Building molecules Pumping blood Contracting skeletal muscles Breaking chemical bonds Adhesion of water

(B) The layer of the eyeball that contains the rods and cones. (C) The colored muscle portion of the eye that determines the size of the pupil. (D) The shape of this structure is determined by the ciliary muscles; it affects refraction of light. (E) Layer of the eyeball that provides the blood supply for the retina. (F) Secreted by the ciliary body and drained by the canal of Schlemm (G) Closes the eyelid (H) Secretes tears (I) Raises the eyelid (J) Color vision photoreceptors

What diet-planning principle calls for selecting foods from each of the food groups daily and varying your choices within each food group? a. Adequacy b. Moderation c. Balance d. Variety

Darwin's theory of evolution is also known as descent with modification through variation and natural selection; inheritance of characteristics acquired through behavioral changes in the parents; increased survival and reproduction of adaptive traits due to uniformitarianism; the appearance of life forms with new adaptations that are fixed and static.

What did the modern synthesis add to the theories of Darwin and Wallace? Mechanisms of inheritance of traits. The concept of natural selection. A modern understanding of cellular respiration. A framework for understanding limited resources.

Arrange the events involved in sporulation by matching the descriptions with the correct picture. Moth dim cell is degraded and the endospore is released. Vegetative growth stops; DNA is duplicated.

Multiple Select Question Select all that apply Viruses are not categorized as living or nonliving, but rather active or inactive. Why are not they considered to be alive? Viruses cannot carry out their own metabolic functions. Viruses require a host cell to replicate. Viruses have a nucleic acid genome. Viruses do not respond to stimuli.

Multiple Choice Question A virus is similar in size to - atom. - large protein. - electron. - bacterium.

In metabolic disorders, serious diseases, and during prenatal development, the body makes amounts of conditionally essential nutrients. adequate excessive inadequate

The model that describes the number of bacteria in a culture after t days has just been updated from P(t)=15 * 3^t to P(t)=15 * 4^t. What implications can you draw from this information? - the initial number of bacteria is 4 instead of 3 - the number of bacteria is 4 times as much as the initial value instead of 3 times as much - the growth rate of bacteria is 40% per day instead of 30% per day - for each day that passes, the number of bacteria increases by 15 - the number of bacteria increases by 4 times a day instead of 3 times a day

True or False Question To regulate their own activity, cells must maintain the same fluid composition between intracellular and extracellular fluid compartments. True False

What is the role of the bacterial flagella? Used for exchange of DNA between two cells Enables movement Allows it to attach to substrates Defends the cell

Which lobe of the brain is involved in hearing and memory formation? Occipital lobe Frontal lobe Temporal lobe Parietal lobe

Location of the Accessory Organs Select the organ from each drop-down menu that best completes each sentence. The flattened, spongy gland located posterior to the greater curvature of the stomach is known as the The is a reddish brown gland inferior to the diaphragm. The is green, pear-shaped sac located on the underside of the liver.

Question 5 (5 points) Listen How do cells in a multicellular organism become specialized? A) Gene expression is regulated so that different genes are turned off and on at specific times during development of a multicellular organism. B) Each type of cell in a multicellular organism has slightly different DNA, allowing the different types of cells to specialize. C) Genetic recombination determines which genes are located in each cell within a multicellular organism. D) The genes necessary for different types of cells to function segregate into different cell types in a multicellular organism.

Many organs contain small structures called units, each of which performs the main processes of that organ.

A group of cells working together for a common purpose form a

Simplify the expression. Assume that a denotes any real number. sqrt[5]32 a^7

What term is used to describe the steady-state value for any variable that the body attempts to maintain? sinusoidal set point effector equilibrium integrator

By week the embryo is a fetus. a. 12 b. 9 C. 20 d. 4

Multiple Choice: 20 points 3. is the branch of biology concerned with the structure and function of plant and animal cells. Special Physiology Histology Cytology Developmental anatomy

Relate and describe select evidences of natural selection and descent with modification

Proximity to bodies of water causes higher evaporation from the surface of the water. The water in a puddle and in the soil are bo Because it is so warm in the tropics, The es in Earth's atr direct it back to Earth's surface, causing an at Earth's surface. due to A. air pressure B. albedo C. altitude D. atmosphere E. climate F. greenhouse gas sually low. G. humidity H. hydrosphere d radiation and I. latitude thermal energy J. weather

Part 2 of 7 Points: 0 of 1 Save Researchers wanted to determine if having a television (TV) in the bedroom is associated with obesity. The researchers administered a questionnaire to 358 twelve-year-old adolescents. After analyzing the results, the researchers determined that the body mass index of the adolescents who had a TV in their bedroom was significantly higher than that of the adolescents who did not have a TV in their bedroom. Complete parts (a) through (e). (a) Why is this an observational study? What type of observational study is this? Why is this an observational study? A. It is not an observational study. B. This is an observational study because the researchers try to influence the outcome of the study. C. This is an observational study because the researchers observe the behavior of the individuals in the study without trying to influence an explanatory variable of the study. What type of observational study is this? A. Case-control study B. Cross-sectional study C. Cohort study Clear all

Which of the following is NOT true about RNA? A. It is single stranded. B. It is a Nucleic Acid. C. It contains Deoxyribose. D. It contains Uracil.

Which enzyme is produced by the stomach? Pepsin Insulin Secretin Chymotrypsin Trypsin

Question 4 A two-step TB skin test: involves going to the doctor's office four times involves being injected intradermally twice all of the above takes a minimum of 11 days

Which is the correct format for referencing (in the References page) an article called "The biological, social and clinical bases of drug addiction: commentary and debate," by J. Altman, B. J. Everitt, T. W. Robbins, S. Glautier, A. Markou, D. Nutt., R. Oretti, C. Philbin, and G. D. Phillips. It was published in 1996 in Psychopharmacology, an online journal, and Volume 125, pages 285-345.

Which of the following BEST explains the role of DNA polymerase? To join the adjacent Okazaki fragments. To unwind the DNA double helix. To build the RNA primer. To assemble daughter nucleotides on the parent strand.

While examining the introitus, the nurse practitioner asks the client to "bear down." The client for which condition? Uterine prolapse Human papillomavirus Colorectal cancer Female genital mutilation

Which will provide the most opportunity for employment, because most future health care services will take place in this setting? Education Home health care Sub-Acute Rehab Ambulatory Care

A recommended pregame meal includes plenty of fluids and provides calories from mostly: a) Fat - rich foods b) Fiber - rich foods c) Protein - rich foods d) CHO - rich foods

Evolution of antibiotic resistant bacteria Refer to the figure below, and then put the events on the left in the most logical order to explain antibiotic resistance in a population of bacteria. Drag the text blocks below into their correct order. Many bacteria that are not resistant to antibiotics die. The bacteria that are most resistant to antibiotics reproduce, passing their resistance genes to their daughter cells. A mutation conferring antibiotic resistance occurs in one or a few individuals in the population of bacteria. The next generation of bacteria has more antibiotic resistant individuals than the previous generation. The population of bacteria is exposed to antibiotics. Reset

estion 3 of 6 Due to which reason would it be important to accurately classify each type of cancer? To determine the prognosis: To determine if the cancer has spread To determine if the cancer is hereditary To determine the appropriate treatment

sus distintos tipos. Explicar el tejido muscular y explicar sus tipos.

When a person moves from a sitting position to a standing position, blood pressure increases within a few minutes. What causes this increase in pressure? Multiple Choice - Fewer skeletal muscles are active while in a standing position thus more blood is circulating in the blood vessels - Blood is having to travel against gravity from the heart to the brain - More blood pressure is needed to carry oxygen rich blood to the brain while in a standing position - More skeletal muscles are active while in a standing position thus more pressure is needed to get oxygen rich blood to these active muscles - Less oxygen rich blood is need by the brain while standing

If one parent is affected by an autosomal dominant disorder, which outcome would explain this mode of inheritance? 50% chance of having an affected child

Question 32 2 pts Using USDA's advice on healthy food choices, which lifestyle change would you recommend to someone trying to adopt a healthier lifestyle? Increase the intake of high-fat dairy products. Eliminate the intake of olive oil. Increase the intake of refined grains. Increase the intake of dried beans. Eliminate the intake of colorful fruits. Question 33 2 pts Cirrhosis of the liver is caused by a poor overall diet and excessive consumption of alcohol processed foods red meat sugar sodium

John Tyndall demonstrated that microbes are easy to destroy. True False

This figure shows the duct system in the male reproductive tract. Which number indicates the seminal vesicle?

The most superficial layer of the highlighted structure is which of the following? A) uterometrium B) endometrium

Caregivers whose communication involves interactional synchrony are more likely to produce disorganized-disoriented attachment avoidant attachment secure attachment ambivalent attachment

A blog noted that "there has been increasing anecdotal evidence that vitamin C may still be useful as an anticancer medicine if used in high concentrations and given directly into the vein (intravenously)." Use this information to answer the questions below. A. They are always more accurate than scientific evidence. B. They have the strongest strength of evidence out of all types of evidence. C. They are stories about multiple cases. D. They are stories about individual cases. What kind of conclusions, if any, can be made from anecdotal evidence? A. No cause-and-effect conclusions can be drawn from anecdotal evidence because cause-and-effect conclusions can never be drawn no matter the situation. B. No cause-and-effect conclusions can be drawn from anecdotal evidence because there could be other outside factors related to Vitamin C and cancer influencing the results. C. Cause-and-effect conclusions can be drawn from anecdotal evidence because cause-and-effect conclusions can be drawn in all situations. D. Cause-and-effect conclusions can be drawn from anecdotal evidence because the evidence clearly shows a one-way relationship.

4. What does the body convert oxygen into? Nitrogen Carbon dioxide Carbon monoxide Hydrogen 5. Which oxygen delivery device is most commonly seen in post-acute care settings? Simple face mask Non-rebreather mask Nasal cannula Venturi mask

The C cells of the thyroid gland produce - thyroxine. - PTH. - calcitonin. - TSH. - triiodothyronine. The hormone that does the opposite of calcitonin is - growth hormone. - thyroid hormone. - glucagon. - insulin. - parathyroid hormone. The interstitial cells of the testes produce - testosterone. - inhibin.

Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least inclusive to most inclusive? - ecosystem, population, organ system, cell, community, molecule, organ, organism, organelle, tissue - molecule, cell, organism, organ system, tissue, population, organ, organelle, community, ecosystem - cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem, community - molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem

Describe the location of the parathyroid gland Name the hormone of the parathyroid gland and its function Describe the location of the adrenal glands Name the hormones of the adrenals and their functions Describe the location of the pineal gland Name the hormone of the pineal gland and describe its function Describe the location of the pancreas Name the hormones of the pancreas and their functions Describe the location of the male and female gonads. Name their hormones, secretory cells and functions Describe the various types of hormone interactions Describe General Adaptation Syndrome

Submit Recent Literature Which of the following statements correctly describes NREM sleep? □ Human growth hormone is released during NREM sleep. □ About 75 percent of adult sleep time is spent in NREM sleep. □ Muscles remain paralyzed during NREM sleep. □ NREM sleep typically occurs in the second half of the night. Select all that apply. Part C: L.O. 3: Explain the Processes of Sleep, Including the Two Stages of Sleep and Their Characteristics; Rhythm, and Sleep Wake Cycle, as Well as How They Work and Their Importance for Health

Typical Vertebra (inferior view) Identify the structure labeled "3."

BIO1160ONL10FBONL M Question 19-1 https://ezto.mheducation.com/ext/map/index.htm Quiz (Chapters 7 8) i Which of the following is NOT a photosynthetic pigment? Multiple Choice chlorophyll chloroplast carotenoid phycobilin

k 4 Dis BIO1160ONL10F Question Mode: TI Chapter 1 .mheducation.com/static/awd/index.html?t=1736638382616#/ Mc jraw Hill 37 of 41 Concepts completed (i) True or False Question The Calvin cycle is part of the light-dependent reactions of photosynthesis. True False Need help? Review these concept resources. Rate your confidence to submit your answer. High Medium Low O 2025 McGraw Hill. All Rights Reserved. Privac Search

Question 43 Mark this question In today's labs, most of the light microscopes you'll encounter have two eyepieces built into them. Which of the following best describes that design? Parfocal Binocular Monocular Oil immersion lens

Which of the following is the term for the genetic makeup of an organism? phenotype genotype DNA

In which phase of mitosis does the nuclear envelope reform? telophase anaphase metaphase prophase

The thoracic cavity is to the abdominopelvic cavity. medial superior inferior lateral

Which hormone is produced by the heart? Anti-diuretic hormone Angiotensin Aldosterone Atrial natriuretic peptide

Part A Which structural level of organization consists of two or more cell types that work together for a common function?? Cellular level Chemical level Organ level Tissue level Submit Request Answer

Which of the following is not a fundamental particle found in atoms? neutron electron protons selectron

Which of the following is the type of cell largely responsible for type I hypersensitivity responses? (A) erythrocyte (B) mast cell (C) T lymphocyte (D) antibody Type I hypersensitivities require which of the following initial priming events to occur?

Which of the following statements regarding primate hunting behaviors is true? Apes usually hunt for fruits and berries, not game meat, but humans hunt and gather a greater variety of foods. Chimpanzees rarely hunt. Chimps hunt, but they don't share their kills. Apes and humans hunt, but only humans bring food back to the camp for everyone to share.

Target cells can become more sensitive to a hormone by increasing the number of receptors via which process? Lateral-regulation Down-regulation Up-regulation

How can strong social health directly change someone's physical health? A. Good social health raises serotonin levels, which causes feelings of joy and happiness. B. Good social health can set an example to follow the healthy behaviors of others. C. Good social health can allow you to better communicate your feelings and solve conflicts. D. Good social health can offer emotional and psychological support.

Question 4 Which is a true statement about spinal nerves: All spinal nerves carry only sensory information Some spinal nerves carry sensory Information and some carry motor information All spinal nerves are mixed All spinal nerves carry only motor information Previous

Because of selection, many bacterial species have become resistant to antibiotic drugs.

Viruses, Cells, Bacteria Archea, Bacteria and Eukarya Bacteria, Viruses and Fungi Fungi, parasites and bacteria

Which of the following lists the terms from simplest to most complex cells, organs, tissues, organ systems, organism organs, organ system, organism, cells, tissues tissues, organs, organ systems, organism, cells cells, tissues, organs, organ systems, organism

Hemophilia A is an X-linked recessive disorder. What is the probability that a son will have hemophilia if the parents are a normal man and a woman who is a carrier?

The meninges cover the: (A) Brain (B) Spinal cord (C) Brain and spinal cord (D) Nerves

Changes in the gene pool can occur due to various mechanisms. In 1989, a large oil spill occurred in Prince William Sound, Alaska, when the Exxon Valdez oil tanker ran aground. Approximately 11 million gallons of oil were spilled and spread 1,300 miles along the Alaskan coastline. The damage from the oil spill affected thousands of animals in the area, including killer whales, harbor seals, sea otters, fish, and sea birds. Which mechanism most likely affected the gene pools of the organism populations in the areas around the oil spill? genetic drift gene flow gene mutation genetic variation

Where are subduction zones likely to form? A) Between two diverging continental plates B) Between two diverging oceanic plates C) Between converging oceanic and continental plates D) Between diverging oceanic and continental plates Which type of volcano is shown in the image? A) Fissure B) Ash-cinder volcano C) Shield volcano D) Composite volcano

The pancreatic acinar cells secrete... A. Enzyme-rich pancreatic juice B. Glucagon C. Steroid hormones D. Insulin

PRACTICE IT What is intracellular communication? Communication that occurs between different cells. Communication that occurs outside the cell. Communication that occurs within a tissue. Communication that occurs within a single cell. Communication that occurs within an organ. Submit answer

T細胞やB細胞の一部は，19として長期間体内に残る。同じ宿原体が倀入した登には，19がきわめて短時間で強い兔疫反応を引き起こす。このような，同じ病原体が再び侵入したときに起こる免疫反応は20と呼ばれる。自然免疫と緊得免涭の還い－21免疫では，图々の免疫細胞が幅広く病原体やその感染細胞を涊識する。一方， 22免疫で偪く偪々のリンパ球は，ごく限られた物質を抗原として特異的に認識する。－B 細胞やT細胞では，ふつう，自己のからだの物質に反応するものは，未熟な段倩で排除されたり，成熟しても鲯きが押制されたりする。このように，ある抗原に対して猚得免疫の反応がみられない状龍を2という。また，24は，病原体を認識して活性化すると，抗原を提示してT細胞を活性化する。これにより，病原体に対する25免疫反応が起こる。－自然免疫の奻果は数時間で現れるが，獲得免疫では特定の病原体を認識する26増殖する必要があるため，刘果を現すのに1還間以上の時間がかかる。－獲得免疫は，自然免疫で働く7細胞によって認導される。また，獲得免疫がはじまると， 28細胞や抗体が，自然免疫の動きを增強する。このように，自然免疫と獲得免疫は，互いに活性化し合って，一体となって偤く。免疫と生活（1）免疫の翼常による疾患－29：自己の成分に対する免疫反応によって生じる疾患。例：関節リウマチ－30：病原体以外の本来は無害な買物に対して起こる，過敏で生体に不都合な獲得免疫反応。その原因となる抗原を31という。ハチの表などの体内への俊入に対して，）という。急激な血圧低下や呼吸困雉などの全身性症状が現れることを32 －33：HIV（ヒト免疫不全ウイルス）の感染によって34獲得免疫の偶きが低下する疾患。日和見感染症への感染やがんの発症が起こりやすくなる。免疫と医療－35：二次応答を利用。 36（弱毒化•死滅した病原体や毒素）を接種し，体内に37をつくらせて感染症を予防する。－38：ウマなどにつくらせた抗体を含む39を患者に投与して治療する。

In the carbon cycle, the role of plants is to

If the DNA analysis of gene shows 23% adenine, what would be the percentage of thymine, cytosine, and guanine. Blank 1: Thymine: Blank 2: Cytosine: Blank 3: Guanine:

The most superficial meningeal layer is the Multiple Choice epidural sinus pla mater arachnoid layer dura mater

4. Which bone type reinforces tendons to protect them from wear? a. Flat bones b. Sesamoid bones c. Irregular bones d. Long bones

Which of the following terms is the maximum volume of air that can be inhaled after maximum expiration? A Residual volume B Tidal volume C Vital capacity D Total lung capacity The effectiveness of ventilation can be measured by which of the following devices? A Bronchoscope

Question 15 Which of the tubes pictured contains a facultative anaerobe? B E A D C

Which lab result for a female patient may indicate that drug therapy effectiveness may be altered? - Calcium = 12 mg / dL - Creatinine kinase = 88 units/L - White blood cells = 9000 / mm^3 - Hemoglobin = 9 g / dL

Question 17 (1 point) Dolphins are most closely related to Ichthyosaurs Sharks Cows Walruses Elephants Question 18 (1 point) Which animal is NOT an amniote? Crocodile Bird Salamander Lizard Beaver

Three out of five people fed a diet low in niacin developed a red, raw skin rash. a) data b) interpretation

The induced-fit model refers to how an enzyme changes shape slightly as part of reactions.

Which complication is the most important to prevent in a child with juvenile idiopathic arthritis (IIA)? infection Hemarthrosis Contracture deformities Delayed intellectual development

The steroid hormone-receptor complex binds to Multiple Choice hormone response elements in DNA hormone response elements in mRNA hormone response elements on proteins ribosomes to stimulate translation the cell membrane, thereby increasing its permeability

Which of these are true about DNA? (check all that apply) it's usually double stranded it codes the information for proteins it has deoxyribose as the sugar

Identify the two domains listed below which contain cells that lack a membrane-bound nucleus? Archaea Eukarya Bacteria

Foodborne illnesses cause infections or irritations of which part of your body? - The liver - The lungs - The gastrointestinal tract - The immune system

Which phrase correctly identifies the role of rRNA? A. Transcribing DNA into RNA polymerase to start protein formation B. Working with ribosomal proteins and tRNA to make a polypeptide C. Carrying the genetic code from DNA to the cytoplasm for translation D. Carrying amino acids to the site of protein synthesis

Changes in motor skills, nutrition, exercise, the hormonal changes of puberty, and cardiovascular decline are all examples of processes that affect development. Multiple Choice cultural biological socioemotional cognitive

Name the muscle labeled D.

3. What are the four main causes of weathering?

Ainsworth followed Harlow's research and identified stranger anxiety critical period secure/insecure attachment imprinting

Name the long bone region labelled C.

What is the correct order of 5 steps in the process of pathogenesis? v. microbes enter the host w. cause damage x. adhere to host tissues y. avoid destruction by host defenses z. exit host to continue chain of transmission

What type of interaction would you expect from the following R groups in a tertiary structure? arginine and aspartate serine and glutamine leucine and alanine Hydrophobic Hydrophilic Salt bridge Hydrogen bond Disulfide bond interaction interaction

Removing the following component from the bone's matrix will result in the bone being overly flexible. collagen fibers hydroxyapatite calcium phosphorous

Once a steroid or thyroid hormone binds to its receptor, the receptor-hormone complex associates with a target gene and controls which of the following? Replication Transcription Deactivation

Which of the following carbohydrates is readily absorbed? a.) Glucose b.) Starch c.) Sucrose d.) Maltose

High level of organization of cells, ability to maintain homeostasis, metabolism, responsiveness, development, movement, and reproduction are characteristics of macromolecules tissues cells organisms

What do you call something from nature which is useful to humans? A. A human resource B. A natural resource C. A recycled resource D. A men-made resource

25 Most stable protein structure (6)

This diagram shows a food chain from a grassland ecosystem in Wyoming. The arrows show how the matter eaten by organisms moves through the food chain. Select each organism below that is a primary consumer in this food chain. wild oat white-tailed jackrabbit long-tailed weasel red fox coyote

What are the characteristics of the histology of the esophagus? Select all that apply. - The mucosa is composed of thick, ciliated pseudostratified columnar cells. - The mucosa is composed of thick, non-keratinized stratified squamous epithelium. - The serosa is made of cartilage. - It is composed entirely of smooth muscle. - The two layers of muscle in the superior one third of the muscularis are skeletal.

is produced from organic matter (A) Solar energy B. Biomass C. Hydroelectric energy (D) Geothermal energy

The production of food through which of the following freed people from the nomadic way of life? shipping farming fishing trade

The percentage of RBCs in a blood sample is called the hematocrit

16 of 32 Concepts completed (i) Multiple Choice Question Why should a vaccine have high efficacy? It means that the vaccine is inexpensive to produce. It means that the vaccine has been tested in an ethical manner. It means that people who receive the vaccine will never need a booster. It means that the vaccine does what it is supposed to do. Need help? Review these concept resources.

Question 14 of 15 Which of the following white blood cell (WBC) levels would indicate that a patient has leukocytosis? 1200 cells per microliter 1800 cells per microliter 5000 cells per microliter 12,000 cells per microliter

Multiple Choice Question Periplasm is a gel-like substance between the cell wall and the cell membrane. a gel-like substance external to the cell wall. a membrane that surrounds all bacterial cells.

A cardiac problem which is present at birth is abbreviated as a(n)

How many ATP are used to initiate glycolysis?

Which of the following is/are the consummate engineer(s)? Animals Plants Microbes All of the choices

Which of the following picks up nutrients from the soil to be made available for herbivores? insects animals humans plants

Define a variable to represent the statement with inequalities: Describe how your graph represents the situation.

How many different amino acids are usually there to choose from when assembling a protein? 10 20 64 5 50

ATI TEAS Version 7 - Science Question: 28 of 50 Which of the following parts of the eukaryotic cell is responsible for making ATP? Nucleus Mitochondria Lysosome Centrioles

Cell walls of plants, fungi, and bacteria are made primarily of.

Which of the following nucleotides is only found in RNA? Uracil Adenine Thymine Guanine

The proximodistal principle states that a baby develops legs first, and then its toes Research has demonstrated that relaxation techniques designed to reduce pain during childbirth do not work.

What prevents the lungs from collapsing?

Fill in the blank with the correct term: The elbow is to forearm: Lateral Deep Superficial Proximal

Pretest: Exploring Career Options Select the correct answer. Ryan builds, maintains, and repairs containers that hold liquids and gases. What is Ryan's career role? A. sheet metal worker B. die caster C. boilermaker D. welder

The premature death of an individual is an example of a pure risk.

Which of the following sexually transmitted infections can be treated with antibiotics while pregnant? HIV Chlamydia Hepatitis B Genital herpes

LO 2.1. What is the main function of white blood cells? To transport oxygen throughout the body. To create and store hormones. To fight infections and foreign invaders. To filter waste from the blood. To regulate body temperature.

29 ÷ 2 = with left over

Question 6 Mark this question Three hundred students in a school were asked to select their favorite fruit from a choice of apples, oranges, and mangoes. This table lists the results. Boys Girls -------------------- Apple 66 46 Orange 52 41 Mango 40 55 If a student is selected at random, what is the probability that the student is a girl who chose apple as her favorite fruit? Answer choices are rounded to the hundredth place. - 0.59 - 0.37 - 0.15 - 0.41

Drag and drop the correct term for each example. rose growing thorns Choices structural adaptation behavioral adaptation physiological adaptation bacteria that become resistant to antibiotics such as mating, eating, and ways of moving

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