Biology Homework Questions & Answers Archive

Multiple Select Question Select all that apply Which of the following options correctly describe lipids? Select all that apply. Lipids are insoluble in water. Lipids are hydrocarbons of large molecular mass. Triacylglycerols contain three ester groups with short ( ≤ 10 C atoms) carbon chains. The most abundant type of lipid are esters of glycerol.

If there is a decrease in neurotransmitter release at a synapse, which of the following factors or situations might have contributed to this disruption in the nervous system? Damage to the axon terminal due to physical trauma or injury Enhanced reuptake of neurotransmitters by presynaptic terminals. Excessive stimulation of postsynaptic receptors, leading to overproduction of neurotransmitters. Increased activity of enzymes responsible for neurotransmitter synthesis

Question number 19 The nucleus is bound by a complex nuclear membrane, often called the . nuclear envelope sarcolemma plasma membrane neurolemma

Multiple Choice Question The diseases malaria and toxoplasmosis are caused by which type of protozoa? Amoebas Flagellates Ciliates Sporozoa Need help? Review these concept resources.

Thinking back to the activity we just played, what does fixing nitrogen mean? a) Nitrates are converted to nitrogen gas by denitrifying bacteria b) Nitrogenous compounds in the soil are absorbed by plants via their roots c) Organic matter is converted into inorganic nitrogenous compounds d) Nitrogen gas is converted into reactive compounds, such as ammonia

Which of the following statements regarding fungal spores are correct? More than one answer may be correct. Spores help the fungus to spread throughout the environment. Fungal spores are always the result of meiosis. The primary reproductive mode of fungi is spore formation. Fungal produce only asexual spores, not sexual spores.

4.2.2 Quiz: Respiration Introduction Question 7 of 10 Which process in respiration happens first? A. Glycolysis B. Krebs cycle C. Electron transport chain D. Pyruvate processing

Which term is used to describe the process in which a virus is engulfed by a cell in a vacuole or vesicle? Endocytosis Budding Exocytosis Lysis

A small chamber occupied by an osteocyte is called a(n)

Respiration consists of several events that result in the exchange of gases between the atmosphere and body tissues. Match each definition with the appropriate process. Definition Process Exchange of gases between the blood and body tissues (Click to select) Use of oxygen and the production of carbon dioxide during metabolic reaction that result in ATP production (Click to select) Exchange of gases between alveolar air and the blood (Click to select)

Mike caught 22 fish this week, or 3 2/3 rds times as many as last week. How many fish did Mike catch last week?

All microorganisms are best defined as organisms that - lack a cell nucleus. - cause human disease. - can only be found growing in laboratories. - are too small to be seen with the unaided eye. - are infectious particles.

What type of tissue are intervertebral discs composed of? - Hyaline cartilage - Elastic connective tissue - Elastic cartilage - Fibrocartilage - Areolar connective tissue

A group of students recorded the colors of cars in a parking lot. Their results are shown below. Number of cars How many black cars were there?

Monosaccharides are the building blocks of: * nucleic acids carbohydrates lipids proteins

Name each epithelial SHAPE. Letter A represents a square cell. Letter B represents a square cell. Letter C represents a square cell.

For a short peptide:nAsp-Tyr-Gly-Asn-CysnWhich amino acid is the amino ( N -)terminal amino acid?nTyrnCysnGlynAsnnAsp

Macronutrients and alcohol supply the body with energy in the form of - calories - chemicals - minerals - vitamins

Multiple Choice Question In the light reactions of photosynthesis, what drives the synthesis of ATP by ATP synthase? the donation of H+ to O2 to form water the binding of oxygen to rubisco the transfer of a phosphate group from NADP+ to NADPH a proton gradient across the thylakoid membrane

The formal system for organizing, classifying and naming living this is:

Da'vonne started a business making handmade cards. She made 45 birthday cards, which was 25% of the total number of cards she made. How many cards did she make total?

A drug company is testing new toothpaste in two flavors, regular and cinnamon. In a sample of 152 people, 87 liked regular, 73 people liked cinnamon, and 20 liked both. Of those sampled, how many liked only the regular? Of those sampled, how many liked only cinnamon? Of those sampled, how many liked either one or the other or both? Of those sampled, how many liked neither?

What is the function of casein in milk?

Which is not considered part of the cytoplasm?

2. Based on Histology label the name of the blood vessels in the picture below ( Artery, Vein, or Capillary)

Multiple Choice Question In the light reactions, pigment molecules in photosystems capture photons of light, and energy from light becomes stored as potential energy in oxygen and glucose ATP and NADPH NADH and FADH2 ATP and glucose

Algae and protozoa are classified in which kingdom? Protista Eukarya Protozoa Bacteria

Which of the following is an example of a cartilaginous joint? - pubic symphysis - knee joint - hip joint - skull sutures

Graded potentials result from the opening of leakage channels ligand-gated channels voltage-gated channels ATP pumps

QUESTION 25 During chromosomes align along the center of the cell and spindle fibers attach to the sister chromatids. metaphase prophase anaphase telophase

These models show two of the body systems that you were introduced to in this unit. Identify, in your science notebook, the two systems, and list all of the ways they are related. Be sure to include both the things you can see and the things you cannot see. Use your list to answer the following questions: 1. Why would an organism with both of these body systems be considered living?

What are the three types of hazards that make food unsafe? Biological, environmental, and chemical Biological, chemical, and sanitary Chemical, physical, and biological Chemical, physical, and environmental

A nuclear pore is best described as an opening in the that permits the passage of molecules into and out of the nucleus. nucleolus endoplasmic reticulum plasma membrane nuclear envelope

A bacterial cell that loses its plasmid will no longer be able to survive. True or False

2., Los epitelios tienen, entre otras caracteristicas el: ai) Proveer soporte y conexión b) Desarrollar una matriz tisular. c) Poseer abundante material extracelular. d) Son avasculares

What is a key difference between lactic acid production and cellular respiration?

Which organelle is shown in the following electron micrograph? mitchondria smooth ER nucleus lysosome rough endoplasmic reticulum (ER)

The reason for the reddish tint seen in lightly pigmented skin is the molecule formed by the combination of oxygen and mela True or False

Select all of the following that are functions of mitosis. A. Produce two daughter cells from one parent cell B. Shuffle the genetic material C. Produce four daughter cells from one parent cell D. Growth and repair of body tissues E. Produce daughter cells that are genetically identical

Match the following: two pairs of elliptically shaped bodies of lymphoid tissue. bones that change the flow of inspired air to moisturize and warm it better. a cartilaginous framework between the pharynx and trachea. Carries air from the nose to the larynx and food from the mouth to the esophagus.

What gives a nail its hardness? - Calcium - Keratin - Collagen - Melanin

The basic units of the brain and spinal cord that process, store, and transmit information are the ・ neurons neurotransmitters synapses myelin

Large regions located in different parts of the world that have their own type of climate, and species of plants and animals. A. Biomes B. Desert C. Tundra D. Grassland

By the year 2045, 700 million people are predicted to be diabetic worldwide, a 51% increase compared with 463 million in 2019. Which factor is responsible for this global rise in type 2 diabetes? - an increase in the prevalence of obesity - genetic changes - an increase in high fructose corn syrup consumption - a decrease in physical activity

The germinal period begins with implantation begins at fertilization and ends with implantation

What is that large organelle stained purple in the middle of the cell that we see? Endoplasmic Reticulum Mitochondria Centrioles Nucleus

Multiple Choice Question In the image, the letter A indicates a eukaryotic cell structure called the mitochondrion Golgi apparatus endoplasmic reticulum nucleus

Question 10 1.25 pts Which type of microscopy do we use in the lab at TWU (most common type of microscope used in all biology classes)? Darkfield microscopy Brightfield micrscopy Electron microscopy

Evolutionary medicine looks at humanity's evolutionary history in an effort to help explain symptoms and diseases.

WHERE APPROPRIATE, SHOW WORK, ROUND APPROPRIATELY USE PROPER UNITS. Use the following information to complete the tables and answer the questions. Studies are often done by pharmaceutical companies to determine the effectiveness of a treatment program. Suppose that a new AIDS antibody drug is currently under study. It is given to patients once the AIDS symptoms have revealed themselves. Of interest is the average (mean) length of time in months patients live once starting the treatment. Two researchers each follow a different set of 40 AIDS patients from the start of treatment until their deaths. The following data (in months) are collected. Researcher A: 3 4 11 15 16 17 22 44 37 16 Survival length (in months) Frequency Relative Frequency Cumulative Relative Frequency --------------------------------------------------------------------------------------------------------------------------------- 14 24 25 15 12 8 40 32 26 34 0.5-6.5 26 27 33 29 35 44 13 21 22 10 6.5-12.5 27 31 34 29 17 8 24 18 47 33 12.5-18.5 18.5-24.5 24.5-30.5 30.5 - 36.5 24 Pts ง 36.5-42.5 42.5 - 48.5

PREGUNTA EQUIVALE 6 PUNTOS. Existen 2 lineas puras AAbb (color negro determinado por el gen A y el gen a determina color blanco; además orejas erectas B y orejas caídas por el gen b. Ambos locus con dominancia completa) y aaBB que se cruzan generando F1 individuos normales di-híbridos AaBb con pelo color negro y orejas erectas. Las hembras F1 se cruzan con machos de pelo blanco y Orejas caídas generando los siguientes descendientes en F2. FENOTIPOS F2 OBSERVADOS ESPERADOS Negros con orejas erectas 210 Negros con orejas caídas 22 Blanco con orejas erectas 28 Blanco con orejas caídas 220 TOTAL 480 1. Plantea la Prueba de hipótesis que utilizara para saber si ambos locus se segregan independientes entre si. 2. Realice la demostración estadística para validar la Prueba de Hipótesis (X2 tabular es 7,81). 3. Cuál es la Frecuencia de Recombinantes y la distancia genética entre ambos genes.

Which of the following is a function of the complement system? Destroys plasma membranes Reduce protein synthesis Degrade viral DNA Blocks inflammation

Receptors interact with body substances. Which of the following is NOT one of those body substances? hormones neurotransmitters enzymes antigens

What is the arrow pointing to? hydroxide ion hydrogen ion hydronium ion electron water molecule

Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack is summarized in the histogram below. What is the sample size for this data set? n=

A nucleotide is composed of a(n) amino group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a hydrocarbon glycerol, a nitrogen-containing base, and a five-carbon sugar sulfhydryl group, a nitrogen-containing base, and a five-carbon sugar phosphate group, a nitrogen-containing base, and a five-carbon sugar

Multiple Choice Question Which system only innervates one organ and a limited number of cells within that organ?

Disulfide bridges are covalent bonds between groups of cysteine side chains.

Autoimmune disorders can be the result of ineffective or defective cytotoxic T cells, neutrophils, basophils, regulatory T cells

3.1.4 Quiz: Detailed Structure of the Cell Question 10 of 10 What part of the cell gives the ribosomes instructions on how to assemble a protein? A. Golgi apparatus B. Mitochondrion C. Nucleus D. Endoplasmic reticulum SUBMIT

How are essential fatty acids different from other fatty acids (ie. Why are they essential)? DHA, AA, and EPA are also essential fatty acids. How does the body make those? What are functions of essential fatty acids in the body? What are food sources of omega-6 fatty acids? What are food sources of omega-3 fatty acids?

A. Do foods contain only one type of fat? B. What are the roles of fat in the body?

Chain of infection - Give details of each link - Infectious agent - Reservoir host - Portal of exit - Mode of transmission - Portal of entry - Susceptible host - How to break each link - How do you intend to keep safe in the medical field while keeping the chain of infection in mind ****Submit into Week 2 Face to Face 2 Hour participation

Which of the following does not pertain to endotoxin? It is found in acid-fast bacterial cell walls

Question 15 Which of the following is NOT found in the Gram-Negative cell wall structure? (A) Peptidoglycan (B) Lipopolysaccharides (C) Porins (D) Periplasmic Space (E) Teichoic Acids Question 16

Which organelle contains the nucleolus?

Considerando o trecho de texto apresentado, assinale a alternativa correta que corresponde aos dois tipos em que o HBase garante a consistência dos dados. A Consistência no servidor de região e Consistência a nível de chave-valor B Consistência na linha do tempo e Consistência forte C Consistência em cluster e Consistência a nível de dados D Consistência na linha do tempo e Consistência a nível de dados E Consistência forte e Consistência em cluster

In which direction does facilitated diffusion occur?

The process by which organisms adjust beneficially to their environment, or the characteristics by which they overcome hazards and gain access to the resources they need to survive, is called: culture. biology. social structure. adaptation.

2.5.2 Test (CST): Computer-Scored Unit Test Question 23 of 25 The graph below shows how two different enzymes react with a substrate as the temperature increases. Enzyme A Enzyme B Based on the results, what conclusion can be drawn about the action of the enzymes as the temperature increases? A. Enzyme A becomes a better catalyst than B. B. Enzyme A changes faster than B. C. Enzyme A reacts with less substrate than B. D. Enzyme A uses up all the substrate faster than B.

Multiple Choice Question In a cash receipts journal, the debit column is for sales revenue. other. accounts receivable. cash.

5. Indicate which of the following are among the layers of the dermis. (Check all that apply.) a. papillary layer b. reticular layer c. subcutaneous layer (hypodermis) 6. Identify the main protein that composes a hair. (Circle one.) a. collagen b. elastin c. fibrin d. keratin 7. The subcutaneous layer (hypodermis) is mainly composed of (adipose/dense irregular) connective tissue. 8. Where on the body can thick skin be found? a. abdomen b. forehead c. palms of hand d. top of feet 9. Sweat glands are composed of which type of tissue? (Circle one.) a. connective tissue b. epithelial tissue c. muscle tissue

The highlighted structure is functionally associated with a(n) - sensory nerve fiber - eccrine sweat gland - hair follicle - sebaceous gland

Compared to young adults, the elderly usually have levels of circulating growth hormone and levels of circulating sex hormones. Multiple Choice higher, higher lower, higher lower, lower higher, lower

ATP production occurs within which organelle? rough endoplasmic reticulum golgi apparatus flagellum mitochondrion

Which objective lens provides the least total magnification?

Collagen fibers are labeled

How do cells avoid surface area limitations? a. all of the choices b. flattened shape c. transportation system that circulates materials inside the cell d. many microscopic extensions e. long and thin shape

The mammary region is to the sternal region. superior inferior medial lateral

1 point Oxygen is distributed directly to neurons by other neurons astrocytes ependymal cells red blood cells

Assume a person consumed 3500 calories for one day, and the breakdown of nutrients are as follows: 55% of calories from carbohydrates, 20% of calories from protein and 25% of calories from fat. What are the total grams from fat for the entire day? 97 grams 80 grams 60 grams 58 grams

Which of the following is one term used to describe a single measurement, value, or observation? population proportion sample datum

The nurse reviews a patient's medical record and recognizes which risk factor for osteoarthritis (OA)? Low body mass index (BMI) Obesity Childbearing age Male sex

Which of these terms do scientists use to describe the entire set of genetic information for an organism? genome nervous system chromosome

2 pts A carefully worded statement describing the exact procedures for measuring an anticipated experimental outcome is known as a(n) hypothesis. control condition. replication. operational definition.

Plants are (mainly) autotrophs and fungi are

All cells are surrounded by cell membranes, also called plasma membranes, that separate the cytoplasm from the outside environment. ribosomes. Golgi apparatus. endoplasmic reticulum Need help? Review these concept resources.

1. Verdadero o falso. Marque con una V si la afirmación es verdadera o con una F si es falsa. Justifique su respuesta si su respuesta es Falsa (1 punto cada pregunta, 4 puntos totales). a) Todos los compuestos químicos tienen un espectro de absorción, que a veces puede coincidir con el espectro de otros compuestos, esta es la principal desventaja de la espectrofotometría. b) ser absorbida. La transmitancia es la medida de la cantidad de luz que atraviesa la sustancia sin c) Los cromóforos son aquellas moléculas que pueden absorber luz gracias a que contienen exclusivamente dobles enlaces en su estructura. d) En el método de Bradford, el colorante Azul de Coomassie, es capaz de reaccionar con el enlace peptídico de una proteína formando un complejo proteína-colorante de color azul.

If you observed a newly discovered 'thing' and tried to decide if it might be alive, what would be the weakest distinction for that a. structural organization b. movement c. energy use d. evolution e. homeostasis

Water Absorption During Digestion While both the small and large intestines absorb water, they do not share the job equally. Consider the following typical measurements: Volume entering the small intestine: 9,500 mL Volume entering the large intestine: 580 mL Volume leaving the large intestine: 200 mL What percentage of the water entering the small intestine is absorbed by the small intestine? 90 96 94 92 What percentage of the water entering the small intestine is absorbed by the large intestine? 4 8 2 6 What percentage of the water entering the small intestine is not absorbed during the digestive process? 8 6 4 2 A typical volume leaving the large intestine might be 200 mL. If the volume exiting the large intestine were 408 mL, then it would most likely indicate a case of

Duplication of organelles and protein synthesis occur during which phase of interphase? G1 G2 S GO

4. What is a common misconception about palliative care? It is only for individuals at the end of life It can be provided alongside curative treatments It focuses on enhancing quality of life. It includes emotional and social support 5. Which service is a primary focus of hospice care but not typically a core service in palliative care? Aggressive curative lreatments Bereavement support for familles Pain and symptom management Emotional and psychological counseling Quit Save

Did the exerciser show any evidence of muscle fatigue towards the end of the Wingate test, and how do you know? Please identify some potential physiological mechanisms that could lead to leg muscle fatigue (3-6 total sentences).

Which of the following is likely a problem for elk herds in areas where there are no wolves or grizzlies? increased spread of disease inability to find mates decreased genetic diversity insufficient numbers for group defense

The peptidoglycan cell wall of bacteria is most analogous to a rain coat a chain-link fence a sugary candy shell an impenetrable brick wall

Which term refers to the diffusion of water through a semipermeable membrane?

3. Which of the following is a nucleotide responsible for releasing and storing energy for cellular chemical reactions? RNA Triglycerides DNA Adenosine triphosphate

A flat, thin structure made of dense connective tissue that serves to attach a muscle to a bone (or another muscle) is called a(n) ... - perimysium - myolemma - aponeurosis - tendon

State which of the microorganisms are prokaryotes, which are eukaryotes, and which are acellular.

Which of the following statements about cancer cells is not accurate? Cancer cells eat normal cells in an organ. Cancer cells no longer perform their original function. Cancer cells do not resemble normal cells. Cancer cells are very metabolically active.

The cell shown here is going through fertilization. mitosis. recombination. meiosis.

Which of the following statements is true of the vagina? (A) It has a slightly acidic pH . B The vagina is located anterior to the bladder. (C) Contains glands that lubricates the vagina. (D) The vaginal orifice is found within the vestibule.

The majority of individuals who start companies are in their A. teens B. thirties C. fifties and sixties D. twenties E. forties

A. lateral pterygoid process B. perpendicular plate C. styloid process D. lesser wing E. manubrium

The zygomatic bone forms joints with the maxilla, mandible, and the frontal bones.

A. infraspinous fossa B. acromion process C. glenoid cavity D. subscapular fossa E. coracoid process

Where would be the best place to store your respirator? In sunlight so it stays dry In a damp area so it stays flexible In a plastic container with a lid In a hazardous chemical storage cabinet Submit

9. The chromosomes are moving towards the poles of the cell.

Most inspired particles such as dust fail to reach the lungs because of the ciliated mucous lining in the nose abundant blood supply to nasal mucosa porous structure of turbinate bones action of the epiglottis

What type of media would be the best choice for isolating a bacterial colony? Multiple Choice Motility media Trypticase soy broth Trypticase soy agar Nutrient broth

Match the organism with the method of staining best used to identify it. 0.57 points Clostridium botulinum Cryptococcus neoformans Staphylococcus aureus Mycobacterium tuberculosis Salmonella enterica Typhi Match each of the options above to the items below. Gram stain (positive) Gram stain (negative) endospore stain capsule stain acid-fast stain

The major function of carbohydrates is to provide much of the energy that cells require.

Which of the following are examples of biological processes that affect development? - weight gain - hormonal changes of puberty - cardiovascular decline - brain development - language development - genes inherited from parents

Use a stem-and-leaf plot to display the data, which represent the scores of a biology class on a midterm exam. Describe any patterns. 75, 85, 90, 80, 87, 67, 82, 88, 95, 91, 77, 80, 85, 92, 94, 68, 75, 91, 93, 87, 76, 91, 85, 99 Determine the leaves in the stem-and-leaf plot below. Key: 3 3=33 Exam Scores 6 7 8 9

Complete the sentences describing cell differentiation. 1. All cells come from preexisting cells. A cell divides its DNA in a process known as (Click to select) and its cytoplasmic contents in a process known as (Click to select), producing two new daughter cells. 2. While all life begins as a single cell, the human body is not just one cell type. Cells that can divide without becoming a specific cell type (e.g. skin cells) are known as (Click to select). 3. When stem cells undergo mitosis and divide, they produce two cells. One cell remains a stem cell and the other is a partially specialized cell known as a (Click to select) cell. 4. Cells undergo a process of specialization or determination called (Click to select) to become neurons, muscle cells, or skin cells. Stem cells are the source of all different cell types.

Which hormone is synthesized in the pineal gland from serotonin? Melanin Somatostatin Melatonin

Multiple Select Question Select all that apply Most fruits are - good sources of potassium and folate. - low in fiber. - good sources of protein. - low in fat. - good sources of phytochemicals.

A variable that is changed in a scientific experiment is called (A) positive control (B) negative control (C) dependent variable (D) independent variable

The topic for this discussion is the size and morphology of prokaryotic and eukaryotic cells. Create a thread and post a short paragraph (3-5 sentences) answering the following questions: If you were looking at a cell under magnification, what cell feature(s) would you look for to determine whether that cell was prokaryotic or eukaryotic? Why did you choose the cell feature(s) that you did? For full credit: Reply to two other students, noting whether or not you choose the same cell feature(s).

Failing to provide something necessary for health and safety, such as food, medicine, shelter, or personal care is?

Which is NOT true about enzymes? Select one: a. They are dependent on the expenditure of ATP and phosphorylation. b. They allow for highly organized, highly regulated reactions that keep energy consumption at a minimum and energy harvesting at a maximum. c. They are catalysts that speed up a chemical reaction. d. They reduce the activation energy of a chemical reaction.

A microscope that can provide excellent details of cellular structures of live organisms against a grey background is the microscope.

What is not one of the six basic techniques used to grow, examine, and manipulate microorganisms in the laboratory? Inspection Inoculation Infection Isolation

11 1 point Which of the following is NOT considered an extracellular fluid. interstitial fluid cerebrospinal fluid blood plasma cytosol Previous

What is the sample size?

Question 20 (1 point) An infant girl is born with microcephaly. The infant also has a depressed nasal bridge, low-set ears, and a protruding tongue. What nursing diagnosis would be appropriate for this patient and her parents? a) Inability to suck related to protruding tongue b) Knowledge deficit related to trisomy 21 c) Impaired hearing related to low-set ears d) Altered breathing related to depressed nasal bridge

Determine total grams of protein and the percentage of kcalories from protein.

The very first and last step to every microbiology lab exercise is Multiple Choice to create a new stock culture to preserve organisms. to label and recheck the labels on your cultures. to remove or add materials to the incubator. to disinfect the lab bench. Prev 12 of 30

Behavioral neuroscientists study the basis of behavior. developmental environmental evolutionary biological

curve? Try this for one amino acid of your preference. If you were given the abbreviations for 4-6 amino acids, could you draw the polypeptide chain AND determine its isoelectric point? Do this for the amino ac Asp-Arg-Val-Tyr-Ile

Which describes a chemical that kills spores, hyphae, and yeasts? (A) Virucide (B) Bactericide (C) Fungicide (D) sporicide Prokaryotes contains membrane bound organelles such as mitochondria, endoplasmic reticulum, and Golgi bodies. (A) True (B) False

Which of the following amino-acid substitutions is LEAST likely to be disruptive to protein function? Pick the correct answer Arginine to valine Lysine to glycine Aspartate to Glutamate Alanine to proline Cysteine to leucine

<Chapter 1 HW Introduction to Microbiology - Attempt 1 Chapter 1 Reading Question 1 (NCLEX-HESI-TEAS style) Part A Select the true statement(s) about microbes. To be marked correct, youll need to select all true statements, as there may be more than one corriect answer. The domain Archaea does not include microbes. Most microbes are pathogens. Some microbes are visible to the naked eye. Viruses and prions are considered microbes. Submit Request Answer Provide Feedback

dendritic cell melanocyte tactile epithelial cell keratinocyte

Scientists have uncovered evidence showing that cyanobacteria have been present on Earth over the past 3.5 billion years, yet a single cyanobacterium has a life-span of only a day or two. Which biological principle does this set of observations best illustrate? Cells use matter and energy from the environment to maintain the living state, to grow, and to reproduce. Life is continuous, with successive generations connected in an unbroken chain of transfer of biological information. Cells are the fundamental units of life, and all organisms are composed of cells, All organisms present on Earth today share a common ancestor, Environmental factors can influence the growth and development of an organism.

At the optimal growth conditions of an organism, its are most functional, and its are intact. DNA; protein Protein; DNA All of these are wrong Proteins; membranes

Place the following levels of organization from the most complex to the simplest level of organization. cellular level, tissue level, organ level, chemical level, organismal level chemical level, tissue level, cellular level, organismal level organ level chemical level, organ level, cellular level, tissue level, organismal level chemical level, cellular level, tissue level, organ level, organismal level

Question 1 (0.5 points) The law of energy and mass conservation states that 1) both energy and matter can be created and destroyed 2) energy can be created and matter destroyed. 3) energy cannot be destroyed but matter can be created. 4) energy and matter cannot be created or destroyed.

Question 3 of 8 (1 point) I Question Attempt 1 of 1 Ms. Peterson gave her students a biology test last week. Here are the test scores for each of the fifteen students. Test scores 81, 93, 91, 83, 90, 81, 95, 80, 86, 97, 92, 85, 92, 82, 92 (a) Complete the grouped frequency distribution for the data. (Note that the class width is 5.)

Which microscope part is used in both the electron microscope and the light microscope?

1- Sensory Receptors LEARNING OBJECTIVE: Identify which sense receptor is involved in a real-life example. 〈○○○〉 Aaron begins to shiver when what type of receptor notices a change in his environment? a.) Thermoreceptor b.) Chemoreceptor c.) Mechanoreceptor d.) Osmoreceptor

The leaf's ability to fold up in high winds and unfold in calm weather relates to which concept: A. Bioutilization B. Biomorphism C. Bio-inspired design D. Functional adaptation

MILESTONE 3 Microbiology 으 https://app.sophia.org/spcc/microbiol (․ㅛ련여) UNIT 3 - MILESTONE 3 1 2 3 4 5 6 Question 16 Mark this ques Which part of a lipid can enter the glycolysis pathway? Phosphate heads Glycerol Triglycerides Fatty acids SAVE CONTINUE Report an issue with this question

Place in order, from largest to smallest, the components of a skeletal muscle. Filaments Fascicle Muscle fiber Muscle Myofibril

A student is investigating the effect of plants on indoor air quality and states, "If plants are added to an indoor environment, the air quality will improve" This statement is an example of a theory a procedure an observation a hypothesis

Antibiotic resistance is a growing problem with public health and economic concerns. Which of the following is a major source of human infections that is known to be antibiotic resistant? - Staphylococcus aureus - Staphylococcus epidermidis - Streptococcus pyogenes - Mycobacterium leprae

Multiple Choice Question Prenatal diagnostic tests include all of the following EXCEPT fetal MRI. amniocentesis. the Apgar Scale. ultrasound sonography.

Given the phrases: p: it is an elephant q : it has purple spots Match the correct term to each if-then statement. If it is an elephant, then it has purple spots. [Choose] If it has purple spots, then it is an elephant. [Choose] If it is not an elephant, then it does not have [Choose] purple spots. If it doesn't have purple spots, then it is not an elephant. [Choose]

A bag contains five green balls, four red balls, and three yellow balls. If one ball is randomly selected from the bag, which of the following is the probability that the ball is red? 1 / 3 1 / 2 1 / 4 5/12

Consider two pieces of tubing 1/2 in and 3/4 in, two washers 3/16 in each, and a nut 1/16 in thick. The smallest length of a bolt that will pass through all these is in. (Type a whole number, proper fraction, or mixed number.)

Question 15 1 pts Which of the following is a polysaccharide that serves as a storage form of energy is muscle and liver cells? Cellulose Ribose Lipids Glucose Glycogen

The part of the brain that is essential to regulating such behaviors as eating, drinking, sexual activity, fear, and aggression is the: thalamus. medulla. cerebellum. hypothalamus.

Question 3 1 pts An enzyme acts to Raise the activation energy needed to start the reaction Lower the activation energy needed to start the reaction Convert the activation energy into kinetic energy Stop a chemical reaction

Which set of membrane proteins in the figure depicts an interaction between two separate cells? A B C D

When listeners mold a message to fit their own framework, they have engaged in A. defensive listening B. active listening C. selective listening D. selective perception E. passive listening

Which of the following enables realistic conferences in which participants thousands of miles apart almost seem to be in the same room? A. Closed-circuit conferencing B. Shared workspaces C. Instant messaging D. Telepresence E. Webinars

DNA and RNA are examples of Select one: A. catalysts B. lipids C. nucleotides D. enzymes

Question 7 10 pts Use Chapter 6, Section 2: Georgia as a Trustee Colony. The colonists that came over on charity could receive how many acres of land? 500 50 5000 250 Question 8 10 pts Use Chapter 6, Section 2: Georgia as a Trustee Colony. Some colonists began to complain about some of the Trustee's regulations.

Select all that apply Identify five characteristics of Listerio monocytogenes. Spore-forming Resistant to pH extremes Intracellular parasite Flagellated Spirochete Resistant to cold Obligate anaerobe Resistant to heat

Which two amino acids are the most abundant and can be used directly to generate energy? (Select all that apply, no partial credit.) Alanine Citrulline Gamma aminobutyric acid Glutamine Ornithine

Typically, the sale of homes is the largest number nationally, more than: homes.

Which body cavity contains the liver? thoracic abdominal pelvic cranial Plane that divides the body or structure into upper and lov frontal anterior sagittal transverse

1 - Fertilization and Early Development LEARNING OBJECTIVE: Understand the process of fertilization and the earliest human developments. The process of cleavage forms new cells that are called . a.) gastrulas b.) zygotes c.) blastomeres d.) oocytes

Assume the left beaker contains 4 mM NaCl, 9 mM glucose, and 10 mM albumin. The right beaker contains 10 mM NaCl, 10 mM glucose, and 40 mM albumin. Furthermore, the dialysis membrane is permeable to all substances except albumin. State whether the substances will move (a) to the right beaker, (b) to the left beaker, or (c) not move. Glucose [Choose] Water [Choose] Albumin [Choose] NaCl [Choose]

1 of 5 Which of the following is NOT a consideration in typical light microscopy? A resolution B magnification c) contrast D) centrifugation SUBMIT ANSWER

In living systems, the predominant organic molecules are , which are largely responsible for the structure, behavior, and unique qualities of a cell. polysaccharides nucleic acids

Question 65 This organelle assists in the production of proteins?

Home My Evol 8/19/24 Week 3 Practice Test 47. Which of the following refers to the amount of blood in the ventricle at the end of its resting phase (diastole)? A. Ejection fraction B. Cardiac reserve C. Preload D. Afterload Page 47 of 75 Previous Page Nextpage Save Answers

Which statement is false regarding the transport of oxygen and carbon dioxide? A. Most of the carbon dioxide is converted to the bicarbonate ion (HCO3-). B. All of the carbon dioxide in the blood forms carbaminohemoglobin. C. Almost all the oxygen is transported by the hemoglobin in the red blood cells. D. A very small amount of O2 is dissolved in plasma.

What do all the plants, animals, and microscopic organisms of an ecosystem have in common, aside from their physical environment? A. They all require the same resources to survive. B. They all would die if moved to another ecosystem. C. They all have symbiotic relationships with each other. D. They are the biotic elements of the ecosystem.

Malik is trying to explain why barnacles are better adapted to living in the high tide zone than the middle tide zone. What type of adaptation would be the BEST evidence for him to use to support his argument? A. one that enables barnacles to obtain food from either water or air B. one that helps barnacles survive short periods of exposure to air C. one that enables bamacles to move quickly to escape predators D. one that helps bamacles withstand the heavy pounding of waves

A cell is dropped into a saltwater solution and shrivels up. You infer that, compared to the cell, the type saltwater solution is (1 point) hypertonic. tonic. hypotonic. isotonic.

Question 19 Which statement explains the antagonist relationship of insulin and glucagon? Insulin increases blood glucose and glucagon decreases it. Insulin increases blood volume and glucagon decreases it. Insulin decreases blood glucose and glucagon increases it. Insulin decreases blood volume and glucagon increases it. Confident Not Sure

Koch observed Bacillus anthracis multiplying in the blood of a cattle. What is the condition specifically called when bacteria are multiplying in the blood? Local infection Systemic infection Septicemia Bacteremia Focal infection Submit Request Answer

What is the final volume of bacterial solution in this tube? a) 9 mL b) 10 mL c) 1 mL d) 15 mL

The ability to make objects appear larger in order to view them is known as while being able to see detail and distinguish between two separate objects is known as Multiple Choice resolution; magnification magnification; contras magnification; resolution contrast, resolution

Thrombocyte is an alternative term for □

Which step will keep food safe when preparing a casserole or make-ahead meal? Thaw on the counter before cooking. Make up to 5 days ahead and refrigerate until ready to use. Cook to a minimum of 165°F Cook directly from frozen:

What term is used to describe when a hollow bridge forms between two bacterial cells that exchange genetic information? conjugation transduction

Which of the respirometers is the most likely to contain distilled water + yeast? Which of the respirometers contains the carbohydrate that is fermented most efficiently by the yeast?

Biology

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