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Recent Homework Questions About Biology
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Biology
23. A medical condition that can be treated by using proteins produced through genetic engineering is a. depression b. multiple sclerosis c. hemophilia d. all of the above 26. Endosymbiosis best explains the possible evolutionary beginnings of a. prokaryotes b. cyanobacteria c...
Biology
17. When errors in nucleotide sequencing occur, a. DNA polymerases replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the DNA molecule d. DNA pol...
biology
how have sarcodines built geological features of the environment?
Biology
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000 kernels on average. Wha...
Biology
17. When errors in nucleotide sequencing occur, a. DNA polymerases replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the DNA molecule d. DNA pol...
biology
what are three function of a teeth
biology
what are three function of a teeth
biology
what are three function of teeth
Biology
37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its outcome different for animal and plant cells? Due to the presence of a cell wall, cytokinesis in p...
Biology
37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its outcome different for animal and plant cells? Due to the presence of a cell wall, cytokinesis in pl...
Biology
37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its outcome different for animal and plant cells? Due to the presence of a cell wall, cytokinesis in pl...
Biology
Can you give the speed in the capillaries as a percentage of the speed in the arteries.
Biology
Why is it desirable for blood to flow through the capillaries comparratively slowly.
Biology
Is there an experiment which you could do to test the suggestion that veins have more stretchable walls than arteries.
Biology
Is there an experiment which you could do to test the suggestion that veins have more stretchable walls than arteries.
Biology
Why veins contain valves.
Biology
Why capillaries have very thin walls.
Biology
Just need this checked: 'The cytoskeleton of eukaryotes serves many functions. One of these functions is served in prokaryotes by a different major structure. Which structural feature is it? How do these different structures serve the same function in the two cell types?&#...
Biology
Just need to answer these last two questions in order to finish my lesson one test. Please help 37. Both animals and plant cells undergo cytokinesis after mitosis ends. How is the process and its outcome the same for both animals and plant cells? How is the process and its out...
Biology
The mitotic process provides a mechanism by which cells should be able to transfer their genomic contents from cell generation to cell generation without error or change. is this inviolate?
Biology
Please help me list some of the major differences in the process of mitosis as it occurs in higher plants and as it occurs animals.
Biology
Where in the cell cycle can one find the phragmoplast? What is it's probable function?
Biology
17. When errors in nucleotide sequencing occur, a. DNA polymerase replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the DNA molecule d. DNA poly...
Introduction to Biology and the Scientific Method
What are the Ten characteristics that distinguish an object or thing from an actual living organism where all 10 characteristics must be present simultaneously for something to be considered living?
Biology
c. The cytoskeleton of eukaryotes serves many functions. One of these functions is served in eukaryotes by a different major structure. Which structural feature is it? How do these different structures serve the same function in the two cell types? Is it the cell wall? Thanks -MC
Biology
17. When errors in nucleotide sequencing occur, a. DNA polymerase replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the DNA molecule d. DNA poly...
Biology
Name three characteristics of mitochondria and chloroplasts that support the endosymbiotic hypothesis of eukaryotic evolution?
Biology
Explain how early RNA molecules might have been able to respond to natural selection?
Biology
Why was the discovery of microspheres and coacervates an important contribution to the understanding of how life might have originated on Earth?
Biology
Why do some scientist think that areas protected from the atmosphere might have favored the production of organic compounds on early life?
Biology
Explain how the half-life of a radioactive isotope affects the usefulness of that isotpe in dating specific types of rock?
Biology
14. The major components of a DNA molecular subunit are a. a chromosome, deoxyribose, and double helix b. a five-carbon sugar, phosphate group, and a nitrogen-containing base c. adenine, guanine, cytosine, and thymine d. all of the above D? 16. During DNA replication, all of t...
biology
How might the efficiency of glycolysis change if this process occurred in only one step?
Biology
14. The major components of a DNA molecular subunit are a. a chromosome, deoxyribose, and double helix b. a five-carbon sugar, phosphate group, and a nitrogen-containing base c. adenine, guanine, cytosine, and thymine d. all of the above D 16. During DNA replication, all of th...
biology
what causes the PH to change as the food moves from the stomach to the small intestine
biology
Name at least 3 useful purposes for bacterial endospores. -I have only 2, which are: produce antibiotics and produce toxins that kill insects. Also, how is the spore location within the cell used to differentiate species? -All I could find is that the location is species-speci...
biology
Name at least 3 useful purposes for bacterial endospores. -I have only 2, which are: produce antibiotics and produce toxins that kill insects. Also, how is the spore location within the cell used to differentiate species? -All I could find is that the location is species-speci...
Biology
Why arteries have more muscle in their walls than veins
Biology
Why the left ventricle has a thicker more muscular wall than the right ventricle.
Biology
Why the right atrium is larger than the left atrium.
Biology
Why does the blood pressure goes up and down all the time.
Biology
a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? My answer: The organelles in eukaryotic cells allow them to perform more complex functions than prokaryotic cells, which don't have these little organs. One...
Biology
What kind of energy do humans run on ?
Biology
I have to write 2-4 sentences on these questions. Can I please get some help? 'Both animal and plant cells undergo cytokinesis after mitosis ends. a) How is the process and its outcome same for both animal and plant cells? b)How is the process and its outcome different for...
Biology
Need help with this one: c)The cytoskeleton of eukaryotes serves many functions. One of these functions is served in prokaryotes by a different major structure. Which structural feature is it? How do these different structures serve the same function in the two cell types? Tha...
Biology
a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? I'm not sure if this is asking for the nucleus or if it's asking about the organelles...which one should I write about? Thanks -MC
Biology
a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? I'm not sure if this is asking for the nucleus or if it's asking about the organelles...which one should I write about? Thanks -MC
Biology
b) Identify one similar and one different way each type of cell [prokaryote and eukaryote] uses flagella. My answer: In both prokaryotes and eukaryotes, flagella protrude from the cell's surface and enable movement. Prokaryotic flagella rotate, propelling the organism thro...
Biology--Urgent
Need help with these: a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? b) Identify one similar and one different way each type of cell uses flagella c)The cytoskeleton of eukaryotes serves many functions. One ...
Biology
I have to write 2-4 sentences on these questions. Can I please get some help? 'Both animal and plant cells undergo cytokinesis after mitosis ends. a) How is the process and its outcome same for both animal and plant cells? b)How is the process and its outcome different for...
biology
3. In what cells do meiosis and mitosis take place? 4. If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand?
Biology
27. Which of the following is true for both aerobic and anaerobic respiration? a. ATP is produced during glycolysis b. Pyruvate is broken down to ethanol or lactate c. The electron transport chain pumps hydrogen ions across a membrane d. An organic hydrogen acceptor recycles N...
biology
biological interrelationship among life forms; means hoe animals or plants depend on one another? where can I find the information on this topic on Belize's barrier reef system
Biology
27. Which of the following is true for both aerobic and anaerobic respiration? a. ATP is produced during glycolysis b. Pyruvate is broken down to ethanol or lactate c. The electron transport chain pumps hydrogen ions across a membrane d. An organic hydrogen acceptor recycles N...
biology
How do autosomes differ from sex chromosomes?
biology
How do autosomes differ from sex chromosomes?
Biology
10. Most of the time, genetic characters are inherited by more complex patterns of heredity including all of the following EXCEPT a. solitary alleles b. incomplete dominance c. codominance d. polygenic inheritance A? 11. Both sickle-cell anemia and hemophilia a. are caused by ...
Biology--Urgent
27. Which of the following is true for both aerobic and anaerobic respiration? a. ATP is produced during glycolysis b. Pyruvate is broken down to ethanol or lactate c. The electron transport chain pumps hydrogen ions across a membrane d. An organic hydrogen acceptor recycles N...
biology
what animals and plants are unique in the Belize's barrier reef system? would it be; blue green algae, mangroves and large seagrass meadows.marine turtles, manatees and marine crocodiles? I also need to find the animals and plants that are diversity in this area. please he...
biology
Why would it be more difficult to work with chromosomes that are unsained, rather than stained chromosomes, the banding is the result of the stain?
biology
Why would it be more difficult to work with chromosomes that are unsained, rather than stained chromosomes, the banding is the result of the stain?
biology
What is the benefit of working with an enlarged photograph of the chromosomes instead of the chromosomes themselves?
Biology
3. Which of the follwoing statements about sexual and asexual reproduction is FALSE? a. genetic diversity occurs in sexual reproduction b. asexually reproducing organisms can repair their own DNA c. there are no special reproductive celss in asexual reproduction d. a gametophy...
Biology
3. Which of the follwoing statements about sexual and asexual reproduction is FALSE? a. genetic diversity occurs in sexual reproduction b. asexually reproducing organisms can repair their own DNA c. there are no special reproductive celss in asexual reproduction d. a gametoph...
Biology
3. Which of the follwoing statements about sexual and asexual reproduction is FALSE? a. genetic diversity occurs in sexual reproduction b. asexually reproducing organisms can repair their own DNA c. there are no special reproductive celss in asexual reproduction d. a gametophy...
biology
imagine if you are a water molecule outside of an animal cell of a human.the person just drunk the glass.write a persuasive letter to the cell membrane convincing it to let you inside the cell.
Biology
14. Surface area is an important factor in limiting growth cell because a. the cell may become too large to remove enough wastes. b. materials can't enter the cell if it's too large c. the cell can burst if the membrane becomes too large d. waste products can't lea...
biology
All living things reproduce using ________.
Biology
I don't understand how to do this at all!! I've been Googling the past hour and I just don't get it. My teacher won't respond and my exam is tomorrow. I get that we cleave with an acid and then we can do amino acid analysis. The entire protein can be pieced tog...
biology
What role, if any, do you think people must play in preserving those regions threatened by human encroachment
10th grade
How does microbiology affect a person on a daily basis?
Biology
Are these correct? Cohesion=Water molecules stick to the side of a straw because of this attractive force. Adhesion=Liquid mercury forms drops because of this attractive force Polarity=This property of water enables salt to dissolve in water Base=This is a substance that remov...
Biology---Urgent
14. Surface area is an important factor in limiting growth cell because a. the cell may become too large to remove enough wastes. b. materials can't enter the cell if it's too large c. the cell can burst if the membrane becomes too large d. waste products can't lea...
Biology
What are three major types of disorders? Give examples of each.
Biology
9. A molecule shaped like a spiral staircase (double helix) is a typical of a. deoxyribonucleic acid b. ribonucleic acid c. carbohydrates d. both a and b D 14. Surface area is an important factor in limiting growth cell because a. the cell may become too large to remove enough...
biology
What are the biological levels of organization from largest to smallest?
Biology please hurry
Here's the question I need help with: What characteristics does your animal have the same as other animals in larger classification levels above it. My animal I chose was an emperor penguin. I really need help thanks
Biology--Urgent
Need help with this: 'Social bees survive by collecting nectar or pollen from flowers, pollinating the flower in the process. They must keep their hives at a constant temperature, moisture, and oxygen content for their larvae to develop. One way they do this is by beating ...
Biology
1. What provides the shortest-term mechanism for preventing acid-base imbalances in the body? The longest-term machanism? I am really stuck on this one....is it the renal and repsiratory compensations???? Thanks in advance for the help!
Biology202- (Nursing Student)
I just need some help with my essay question...I can't seem to determine what this patient has? 1. A pregnant woman complains to her doctor that her ankles and feet stay swollen all of the time. She is very worried about this. As her doctor, what would you tell her? Thanks...
biology
Compare the chemical composition of the contents of the stomach one hour after eating a meal containing proteins, carbohydrates, and fats, to the contents of the small intestine several hours later.
biology
Compare the chemical composition of the contents of the stomach one hour after eating a meal containing proteins, carbohydrates, and fats, to the contents of the small intestine several hours later.
Biology
Need help with these two: PLEASE help me; this is like the 4th time I'm posting this. 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce...
biology
is the overall charge of glu (glutamate) at a pH of 4.3 0? I thought it would be since there is a (+) charge on the NH3, counteracted by the negative charge on the COO(-) group.
biology
__________________ charcters show many degrees of variation because they result from the additive effects of several ____________. Many human conditions are complex because they are influenced both by ___________ and by ___________. If two genes cross oveer 35 percent of the t...
Biology
Need help with these two: 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce enough ATP to make sugars during photosynthesis, they can produ...
biology
How does the orientation of the phospholipids in the bilayer allow a cell to interact with its internal and external environment?
biology
Why does a plant cell transports water against the force of gravity contain many more mitochondria than other plant cells?
biology
explain the role of antigens and antibodies in natural and artificial control of diseases
Biology
Need help with these two: 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce enough ATP to make sugars during photosynthesis, they can produ...
biology
need help If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand? Compare and contrast mitosis and meiosis as to: number of divisions, number of cells produced, number of chromosomes in parent cells and in gametes.
biology
Need Help with these questions If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand? Compare and contrast mitosis and meiosis as to: number of divisions, number of cells produced, number of chromosomes in parent cells and in gametes.
Biology
Need help with these two: 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants can't produce enough ATP to make sugars during photosynthesis, they can produ...
Biology
17. Functions of the nucleus include a. directing the function of the cell b. the partial assembly of ribosomes c. storing most of the hereditary information of the cell d. all of the above D? 18. Internal membrances play important roles in protien production and processing ex...
Biology
1. Homeostasis relates most directly to which of the following ideas? a. interacting systems b. stability c. evolution d. scale and structure I'm stuck between A and B 2. The physician Ronald Ross wanted to find the cause of malaria. Based on his observations, Dr.Ross sugg...
biology 123456789 123456789 123456789
how can nitrogenous fertilizers destroy life in streams and rivers?
Biology
Can someone please check if my answers are correct? 21. The difference between autotroph and heterotroph is that a. heterotrophs must get energy from sources other than the sun b. heterotrophs can use chemical or light energy sources c. heterotrophs do not obtain energy from a...
Biology
Can someone please check if my answers are correct? 17. Functions of the nucleus include a. directing the function of the cell b. the partial assembly of ribosomes c. storing most of the hereditary information of the cell d. all of the above D? 18. Internal membrances play imp...
Biology 123456789 123456789 123456789
how can nitrogenous fertilizers destroy life in streams and rivers?
Biology
why is a radioisotope able to substitute for an ordinary (nonradioisotope) atom of the same element in a molecule?
Biology
Are these correct? A. harvests energy from organic compounds= mitochondria B. makes proteins in both types of cells= ribosomes C. uses light energy to make food= chloroplasts D. outer support for plant cells= cell wall E. gives shape and protection to animals= cell membrane F....
Biology
17. Functions of the nucleus include a. directing the function of the cell b. the partial assembly of ribosomes c. storing most of the hereditary information of the cell d. all of the above D? 18. Internal membrances play important roles in protien production and processing e...
biology
why does water after evaported not turn to H+ ions. is it be cause of the intermolecurar and intramolecuar forces?
Biology
does energy and matter cycle through an ecosystem
Biology
21. The difference between autotroph and heterotroph is that a. heterotrophs must get energy from sources other than the sun b. heterotrophs can use chemical or light energy sources c. heterotrophs do not obtain energy from autotrophs d. all of the above A? 25. Which of the fo...
Biology
17. Functions of the nucleus include a. directing the function of the cell b. the partial assembly of ribosomes c. storing most of the hereditary information of the cell d. all of the above D? 18. Internal membrances play important roles in protien production and processing ex...
Biology
9. a molecule shaped like a spiral staircase (double helix) is a typical of a. deoxyribonucleic acid b. ribonucleic acid c. carbohydrates d. both a and b D? 10. ATP is important to living organisms because it a. stores hereditary information b. stores energy from food to be us...
Biology
4. The difference between an atom and and element is a. an element is made of atoms b. atoms are made of elements c. atoms are held together by covalent bonds d. none of the above C? 6. Which of the following is NOT an organic compound? a. ATP molecule b. saturated fatty acid ...
biology
The offspinf of true-breeding parents are called the: a) F1 generation b) f2 generation c) dominant offspring d) recessive offspring I know its not c or d so that leaves me with a, or b.
biology
a gene with two dominant alleles that expressed at the same time is- a) codominant b) mutational c) incompletely dominant d) polygenic I know its not c
biology
The offspinf of true-breeding parents are called the: a) F1 generation b) f2 generation c) dominant offspring d) recessive offspring I know its not c or d so that leaves me with a, or b.
Biology
9. a molecule shaped like a spiral staircase (double helix) is a typical of a. deoxyribonucleic acid b. ribonucleic acid c. carbohydrates d. both a and b D? 10. ATP is important to living organisms because it a. stores hereditary information b. stores energy from food to be us...
Biology
4. The difference between an atom and and element is a. an element is made of atoms b. atoms are made of elements c. atoms are held together by covalent bonds d. none of the above C? 6. Which of the following is NOT an organic compound? a. ATP molecule b. saturated fatty acid ...
biology
how does the use of other organisms help science?
Biology
1. How can transport be disrupted in a cell? 2. How does the cell membrane work? 3. How does the cell communicate with the outside and inside environment? 4. How does the cell use 1-3 to help maintain homeostasis?
biology
consider two plants wuth the genotypes Rrtt and rrTt where red color (R) is dominant over white (r) and being tall (T) is dominant over being short (t). complete the punnett squares to determine the possible ganetes each parent could produce. using the punnet square (16 square...
biology
what are the stages of mitosis
Biology
At which of the capillary bed is the fluid pressure higher? 1)osmostic pressure- (25 mm Hg arteriolar end) ( 25 mm Hg venous end) 2)fluid pressure- 25 mm Hg arteriolar end) ( 15 mm Hg venous end) 3)absorption ( 10 mm Hg arteriolar end) ( 10 mm Hg Venous end)
statisitcal biology
I am doing a chi-square test between two categorical values. Gender vs sport played. How would i world the research question? RQ: Men participate in sport more than women? is this correct?
biology
some species of insects e.g butterflies, are found in greater numbers at certain times of the year. Suggest 3 reasons to account for changes in population numbers throughout a year. fully explain each reason
biology
how can the absence of starch in the elaborated sap be explained knowing that it is produced by photosynthesis?
Biology
I am a bit confused about conjugation, transduction and transformation. I understand the basics but how do they work? More confused with transduction and transformation. Thanks for any help in advance!
science
Post a 200- to 300-word response to the following: In your own words, summarize each of the major theories of biology. • Choose one theory and provide an example of how this theory relates to the news today. • Use at least one outside reference in addition to your te...
biology
why is the cycle of some types of cells faster than in others, and which part of the cell cycle is the most variable in length
Biology
What is the function of lactose in the body? I know what lactose is, but I'm having trouble finding if it does anything in the body (give energy...?) And also, what is the function of fructose in plants? I'm having the same problem.
biology
Organic compounds-a)carbohydrates b)lipids c)proteins d)nucleic acid (Explain what each organic compound is and why it is important to the cell)
Biology
In biology I have to make a model of a plasma membrane.. i need a picture that shows a phospolipid bi layer and cell surface markers channel protiens and receptor protiens .. Whats good site for the BESIDES google.. Or do you know a direct link for a picture that could help me...
biology
describe 2 structures of bacterial cells what they look like and their molecular structure
Biology
In most biology experiments, the relationship between the independent and the dependent variable can best be described as cause and effect,” true or false? Explain.
Biology
True or False: ATP synthesis depends directly on the availability of light energy.
Advanced Biology
Which observation supports the statement that birds are reptilelike animals? a.) bird's front limbs usually do not have useful claws b.) bird's have only two legs c.) bird's feet are covered with scaly skin d.) birds generate their own body heat I think it's c.!
Advanced Biology
If a bird has a hooked bill and sharp talons, it might be a(an): a.) water bird b.) ostrich c.) bird of prey d.) perching bird I think it's a.!
Advanced Biology
At the end of the Cambrian Period, fossil evidence indicated that: A.) a great adaptive radiation of amphibians occured B.) amphibian species reached their greatest number C.) most amphibian species became extinct d.) amphibians first appeared
Biology
Explain the process of diffusion and why it is energetically favorable.
Biology
How does a cell membrane help regulate internal conditions and maintain homeostasis?
Biology
How can we solve the problems of global warming by using biology technology? In other words, what biology technology helps solve global warming? I can't think of anything. Please help! Thanks You.
Biology
Are solar panels biology technology (biotechnology)? Thanks.
Biology
"In guinea pigs, a spotted coat is dominant to uniform coat colour. If a heterozygous spotted coat guinea pig is bred with a uniform coat guinea pig, use a Punnett square to determine the genotypic and phenotypic ratios of the offspring."
Biology
Which of the following statements about Mendel's breeding experiments is correct? a. None of the parental (P) plants were true-breeding. b. All of the F2 progeny showed a phenotype that was intermediate between the two parental (P) phenotypes. c. Half of the F1 progeny had...
Biology
1) Why is it appropriate to call the endomembrane system a "system?" 2) The selective permeability of biological membranes is dependent on _______________. 3) Why is it unusual for a phosphlipid molecule to flip from one face of the membrane to the other? 4) What do ...
Advanced Biology
The cells of cellular slime molds bear a resemblance to: a) flagellated cells b) diatoms c) ciliated cells d) dinoflagllates e) amoeboid cells I think it's b!
AP Biology
Assume that a particular genetic condition in a mammalian species causes an inability to digest starch. this disorder occurs with equal frequency in males and females. In most cases, neither parent of the affected offspring has the condition. (a) Describe the most probable pat...
Biology
Hi! If I have two plants with the genotypes Rrtt and rrTt where red color(R) is dominant over white(r) and being tall(T) is dominant over being short(t).If I complete a Punnet square, will it look loke this: R r r r t Rt rt T rT rT t rt rt t rt rt How can I diagram a cross bet...
Biology
I hope you can help me with this question: "Imagine that you go to a party with a friend who starts drinking alchohol.Describe , step by step , the effects to that individual as he drinks more and more alchohol as the evening progresses and the long term cosequences that ...
biology
How are sperm and egg cells formed? Describe in general terms what happens during meiosis.
9th grade biology
what are three ways for an animal to lose water?
biology
what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?
biology
what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?
biology
what are three ways for an animal to lose water; what are other sources of carbon dioxide[besides animals exhaling]?
biology
Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species is eliminated? If you were a scientist you could do an experiment to answer your question. ...
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