Recent Homework Questions About Biology
Post a New Question | Current Questions
biology
what are the basic anatomy of a brachiopod.
Saturday, February 14, 2009 at 4:36am
biology
If you have a gene pathway with three activities, say A, B and C, and you have a mutant where an area of the pathway is affected, what kind of experiment would allow you to distinguish if A, B or C is affected? Does it make sense to plate the mutant starting with the C source ...
Wednesday, February 11, 2009 at 9:54pm
biology
The light reaction of photosynthesis is very similar to" a. the electron transport chain b. the TCA cycle c. Beta-oxidation I think the answer is A. Can someone confirm my answer
Wednesday, February 11, 2009 at 9:48pm
biology
Which of the following is NOT a function of the TCA cycle: a. Provide carbon skeletons for biosysthesis b. Provide electron to the electron transport chain in the form of NADH c. make ATP d. Break down pyruvate. I know both a and c are the function of TCA cycle. I'm not ...
Wednesday, February 11, 2009 at 7:07pm
Biology
Cross a roan bull with a roan cow. I need to know the key and the punnet square
Wednesday, February 11, 2009 at 4:30pm
biology
what factors help lead to the formation of a new species?
Tuesday, February 10, 2009 at 10:14pm
Biology
Orange color in non-pedigreed cats is controlled by the O locus. The non-orange phenotype, if not diluted, appears as black coat color. Perform the following reciprocal crosses: Orange blotched female X black blotched male Black blotched female X orange blotched male What ...
Tuesday, February 10, 2009 at 4:51pm
biology
which objective of a compound microscope would show the largest feild of view
Monday, February 9, 2009 at 8:27pm
Biology
Physicians often want to know the glucose and lipid levels in a patient's blood and whether proteins are present in a patient's urine. What might this information show about an individuals health?
Sunday, February 8, 2009 at 9:07pm
english
This is a passage from Indian Education. I dont understand what to write for this question: Notice the similarities between the pairs of sentences composing paragraphs 29 and 31 and paragraphs 70 and 72, what point does Alexie make with the similarities? FIFTH GRADE 1. I ...
Saturday, February 7, 2009 at 1:27pm
algebra
neil was growin a culture of a bacteria for biology experiement. he noticed that the population doubled after 90 minutes. if the population grows exponentially, how many times the original population will there be after 6 hours?
Thursday, February 5, 2009 at 7:11pm
Biology (Enzymes)
Hi, I was wondering for competitive vs. noncompetitive inhibition, does anything ever happen at the active site, or does the inhibitor only act on the allosteric? Thanks, Ahsan
Thursday, February 5, 2009 at 3:46pm
biology
wht gets energized at the beginning of photosynthesis
Wednesday, February 4, 2009 at 9:55pm
Biology
What are the symptoms of a monosomy of chromosome 20? and is their a name for the disorder/syndrome?
Wednesday, February 4, 2009 at 8:10pm
Biology
What are the symptoms of a monosomy of chromosome 20? and is their a name for the disorder/syndrome?
Wednesday, February 4, 2009 at 6:52pm
Biology
Danielle was born with a birth defect which resulted in a lack of primary auditory cortex formation. Which of the following will likely result? a. Danielle will not be about to hear from her right ear. b. Danielle will not be able to hear at all. c. Danielle will need to get ...
Tuesday, February 3, 2009 at 11:26pm
english
can you give me a good sentence using the word biology and biography
Sunday, February 1, 2009 at 2:14pm
biology
what is the major source of energy for cellular reaction?
Sunday, February 1, 2009 at 11:41am
biology
What are the chances of the offspring being homozygous brown haired? gametes B and b; B and b each parent prodices 2gametes
Sunday, February 1, 2009 at 12:40am
biology
i need to find websites or something on monotremes biological systems, and i can't find anything for my project about them! help!!!
Saturday, January 31, 2009 at 6:59pm
biology
All of the following important concepts of population genetics are due to random events or chance except mutation natural selection the bottleneck effect the founder effect sexual recombination I am pretty sure that the answer would be "natural selection", but I ...
Saturday, January 31, 2009 at 1:31pm
Biology
Darwin was able to formulate his theory of evolution based on several facts. Which of the following facts was unavailable to Darwin in the mid-nineteenth century? Natural resources are limited. Individual organisms in a population are not alike. Characteristics are inherited ...
Saturday, January 31, 2009 at 1:12pm
biology
If plant species has a diploid number of 12 and plant species B has a diploid number of 16. What would a new species, C, that arises as an allopolyploid from A and B, diploid number be? I was thinking 14, because it would get 6 sets from plant A and 8 from plant B. Does that ...
Saturday, January 31, 2009 at 12:52pm
Biology!!! HELP
Does anyone understand what "reciprocal genetic exchange" is? Is it just crossing over during prophase in meiosis?
Saturday, January 31, 2009 at 9:26am
biology
A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50L container of cold water, what would be the approximate increase in the temperature of the water?
Friday, January 30, 2009 at 11:13am
biology
Can someone explain to me how 2,3 BPG works for hemoglobin? BPG affects oxygen binding affinity by binding in a small cavity at the center axis of deoxygenated hemoglobin. In oxygenated hemoglobin, this cavity is too small to effectively accommodate 2,3-BPG. When bound, 2,3-...
Friday, January 30, 2009 at 3:19am
Biology
What structures of the embryonic and adult anatomy of manatees and elephants establish the evolutionary relationship between these two animals? manatees evolved from elephants..or elephants evolved from manatees
Thursday, January 29, 2009 at 9:16am
Biology
Two samples of DNA have the same melting point and density. Does this prove that they are from the same species? Explain clearly and back up your reasons. I read in my notes and all it said was that DNA species isolated from different organisms have different melting ...
Wednesday, January 28, 2009 at 10:57pm
Biology
Why is it difficult to convert miles to yards or feet?
Wednesday, January 28, 2009 at 11:11am
Biology I
Charles Darwin- Evolution? 2) Where does variation occur within an organism that causes evolution? 5) What is the main source of evidence for evolution? 6) What was the occupation that Darwin was originally studying for? 8) What did Darwin believe about species before he went ...
Tuesday, January 27, 2009 at 9:57pm
Biology
All known proteins in cells adopt a single stable conformation because (a) any chain of amino acids can fold up into only one stable conformation. (b) protein chains that can adopt several different conformations have been weeded out by natural selection. (c) chaperone ...
Tuesday, January 27, 2009 at 5:45pm
Biology
You wish to produce a human enzyme, protein A, by introducing its gene into bacteria.The genetically engineered bacteria make large amounts of protein A, but it is in the form of an insoluble aggregate with no enzymatic activity. Which of the following procedures might help ...
Tuesday, January 27, 2009 at 5:42pm
biology
I will connect Gametes with A.Chromatid B. Cell C. Cell Division D. 46 E. IPMAT F. Cytokinesis AND WHY?
Monday, January 26, 2009 at 10:26pm
biology
I would connect Mitosis with Identical cells. Why?
Monday, January 26, 2009 at 10:13pm
AP biology
question 5 asks how did the KOH affect the water movement in the respirometer. Does anyone know the answer cuz i drew a blank on that one.
Monday, January 26, 2009 at 10:04pm
Peer Review Article
I'm looking for 2 articles in Biology and I can't determine if they're peer review or not. Can anyone help with what I'm supposed to look for?
Monday, January 26, 2009 at 9:23pm
biology
what would happen if you treated a protein (containing 3 S-S bonds) with urea and mercaptoethanol? I know that the urea breaks hydrogen bonds and that the mercaptoethanol reduced disulfide bonds but what levels of the protein would be affected?
Monday, January 26, 2009 at 8:47pm
biology
how much time do cells spend in each phase of the cell cycle?
Monday, January 26, 2009 at 7:10pm
biology
what would happen if you treated a protein (containing 3 S-S bonds) with urea and mercaptoethanol? I know that the urea breaks hydrogen bonds and that the mercaptoethanol reduced disulfide bonds but what levels of the protein would be affected?
Monday, January 26, 2009 at 2:44pm
Biology
How is sex (gender) determined in mammals? I was thinking that if the male gave over an X chromosome that the baby would for sure be a male because males have XY and if the male gave over an X then baby would for sure be a female because all females ar XY. Am I right? And ...
Saturday, January 24, 2009 at 1:49pm
biology
To find the equilibrium constant a. one should take the log10 of the concentration of products over the concentration of reactants none of the above b. none of the answers is correct c. one should measure the concentrations of products and reactants in the cell d. one should ...
Thursday, January 22, 2009 at 9:51pm
Biology
When the Antibiotics Quit Working essay
Thursday, January 22, 2009 at 5:50pm
biology
how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis Endosymbiotic Theory? something about how one life form engulfs another and incorporates it, evolving until it becomes dependent on it and has created an entirely new life form?
Monday, January 19, 2009 at 8:07pm
biology
a diagram showing longitudanal section of the villi
Monday, January 19, 2009 at 5:17pm
biology
Suppose that for an organism, 2n=8. How many chromosomes do the organism's gametes contain?
Monday, January 19, 2009 at 2:39pm
biology
ive put about the pump but need more info why its good at what it does
Monday, January 19, 2009 at 11:44am
biology
why is the heart suited to its funtion and why is the respiratory system suited to its function
Monday, January 19, 2009 at 11:09am
biology
explain the stucture and function of the heart and lungs and why they are good at it
Monday, January 19, 2009 at 9:41am
biology - evolution
Is evolution an individual or population level phenomenon? Explain.
Sunday, January 18, 2009 at 6:47pm
biology
Can two different species occupy exactly the same niche? What happens?
Sunday, January 18, 2009 at 6:35pm
biology
Describe the three main differences between arteries and veins and explain why they have these differences.
Thursday, January 15, 2009 at 3:41pm
BIOLOGY
can someone explain how i would write an interpolation and extrapolation in a conclusion statement for a biology project? i don't know how to word it.
Wednesday, January 14, 2009 at 5:40pm
biology
What is the genotypic ratio for AaBB x AaBb
Wednesday, January 14, 2009 at 3:28am
BIOLOGY!!
Why do leaves of plants appear green to the human eye?
Tuesday, January 13, 2009 at 10:59pm
Biology
What are five characteristics that are considered distinct properties of all living things? Name some.. please help. all i can think of is water and oxygen haha.. -thank you
Tuesday, January 13, 2009 at 10:42pm
Biology
In plants, cells that transport water against the force of gravity are found to contain many more mitochondria than some other plant cells. What is the reason for this?
Tuesday, January 13, 2009 at 10:27pm
biology
How does geographic isolation contribute to evolution thank you
Monday, January 12, 2009 at 10:21pm
biology/math
an advertisement for sleeping pills claims to cause 50% longer lasting sleep. you decide to compare this new pill to your original sleeping pill. subject (A) takes the origianl sleeping pill and subject (B) takes the new pill. subject A slept for 30 minutes while B slept for ...
Monday, January 12, 2009 at 5:58pm
biology
can someone better explain to me what the independent/manipulated variable is in an experiment. also, i am not clear on what the dependent/responding variable is. please help
Monday, January 12, 2009 at 5:23pm
BiOlogy
I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I think, possibly...
Sunday, January 11, 2009 at 5:57pm
Biology
I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I think, possibly...
Sunday, January 11, 2009 at 4:22pm
Biology
I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I think, possibly...
Sunday, January 11, 2009 at 2:51pm
high school honor biology
Draw a diagram that shows the chromosomes combinations that are possible in the haploid gametes of an organism with a diploid number of 6
Saturday, January 10, 2009 at 3:44pm
Algebra II
Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow ...
Saturday, January 10, 2009 at 12:45am
AP Stats
Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow ...
Friday, January 9, 2009 at 11:42pm
Statistics
Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow ...
Friday, January 9, 2009 at 10:20pm
AP Statistics
Maria and Zoe are taking Biology 105 but are in different classes. Maria's class has an average of 78% with a standard deviation of 5% on the midterm, whereas Zoe's class has an average of 83% with a standard deviation of 12%. Assume that scores in both classes follow ...
Friday, January 9, 2009 at 9:40pm
biology
what oganic molecules provised structure for hair, nail, bones/cartilage
Friday, January 9, 2009 at 6:01pm
BIOLOGY
what are other sciences that might provide information that is useful to biologists? i have not been able to find any internet websites that are helpful
Thursday, January 8, 2009 at 7:03pm
Biology
What is the name of the type of bacteris that live in harsh environments? is the answer, archaebacteria?
Thursday, January 8, 2009 at 6:58pm
biology
How does the process of photosynthesis impact the flow of energy and the cycling of nutrients
Thursday, January 8, 2009 at 6:13pm
Basic Biology
What is the process by which oxgen get into the blood in the capillaries?
Thursday, January 8, 2009 at 5:06pm
biology
what letter represents the nucleus of a cell?
Thursday, January 8, 2009 at 12:05am
biology
how do you recognize someone with turner's syndrome?
Wednesday, January 7, 2009 at 5:42pm
Biology
I need help making a food web for the following: Forest-field ecosystem, Corn,Decomposers, Deer,Fox,Grass,Mouse, Owl,Rabbit, Seed-eating bird,Snake, Squirrel,Tree I also need help on another one: Saltwater Marsh Ecosystem, Algae, Crustacean, Decomposers, Egret, Grasshopper, ...
Monday, January 5, 2009 at 5:00pm
Biology
What cell structure/organelle would be especially common in i)cells lining the respiratory passages? ii)white blood cells that engulf and detroy invading bacteria iii)enzyme (protein) secreting cells of the pancreas
Sunday, January 4, 2009 at 4:18pm
biology
Which have cells walls? (more than one may be correct) A)chilomonas B)volvox C)peranema. Which have chloroplasts? (more than one may be correct) A)Paramecium B)Amoeba C)chilomonas D)volvox E)peranema
Sunday, January 4, 2009 at 4:12pm
Biology
What are two types of materials or observations that would necessitate the use of the stereoscopic microscope? What organelles are visible with the electron microscope but not with the light microscope? (we've been studying single celled organisms and organelles).
Sunday, January 4, 2009 at 4:00pm
Biology
I have a biology project due on monday i have all the information all i need is a Graph/chart. Where can i find an athletes foot chart/graph. It does not matter what it says on the chart/graph as long as its about athletes foot. are you willing to help. I need help Please oh ...
Saturday, January 3, 2009 at 10:58pm
Biology/History
Where did the Spanish Flu start? Not geologically, but who or what did it start from? Since we called it an infulenza pandemic did it start from a bird? And once this flu was transmitted to a human how could another human catch the flu?
Saturday, January 3, 2009 at 5:20pm
IT Programming in South Africa for a 2007 matric..
IT Programming in South Africa for a 2007 matriculant? I matriculated 2007 with a Senior Certificate : HG Afrikaans 2nd Lang 45% HG English 1st Lang 51% SG Maths 66% SG Science 49% HG Biology 44% SG Computers 62% And I have experience with ms-dos, vbscript, javascript, css, ...
Saturday, January 3, 2009 at 5:38am
Biology
Which of these organisms have cell walls? Which have chloroplasts? Describe their organization. Paramecium Amoeba Chilomonas Volvox Paranema I've tried searching on the web, but the pages don't mention chloroplasts or cell walls. Which means they either don't have ...
Friday, January 2, 2009 at 4:15pm
Biology
What are two types of materials or observations that would necessitate the use of the stereoscopic microscope? What organelles are visible with the electron microscope but not with the light microscope? (we've been studying single celled organisms and organelles).
Friday, January 2, 2009 at 4:12pm
AP Biology
My F1 generation gave me 30 males (5 were mutated) and 10 females 5 were mutated. My F2 generation gave me 50 males, 20 were mutated, and 30 females, 15 were mutated. I dont know how to determine my crosses identifying if its sex linked or autosomal and that where I ...
Thursday, January 1, 2009 at 11:38pm
Biology
Which of these organisms have cell walls? Which have chloroplasts? Describe their organization. Paramecium Amoeba Chilomonas Volvox Paranema
Thursday, January 1, 2009 at 8:59pm
Biology
1. Cytosol is what? a. none of these b. all of the organelles c. cytoplasm + nucleoplasm d. cytoplasm e. cytoplasm + organelles 2. What type of cell does not divide by Mitosis? a. bacteria b. prokaryotic c. eukaryotic d. fungi e. algae
Tuesday, December 30, 2008 at 8:24pm
Biology Honors
How does a salamander transport nutrients and waste throughout its body?
Tuesday, December 30, 2008 at 4:07pm
biology - number of feet
Are there any animals with an odd number of feet? Humans have two feet, dogs have four and spiders have eight. By feet, I mean external appendages. I realize starfish have five arms, but it turns out these arms are not actually used for locomotion.
Saturday, December 20, 2008 at 4:36pm
biology
If gene A is at 48 map units and gene is at 54 map units- what is the recombinant frequency?
Friday, December 19, 2008 at 4:15am
biology
which of the following must be cycled through twice? a) Krebs Cycle b) Calvin Cycle c) Glycolysis d) Krebs and Calvin e) all of the above
Friday, December 19, 2008 at 4:08am
biology
Which of the following processes includes the other processes? a) passive transport b) active transport c) facilitative diffusion d) osmosis e) exocytosis
Friday, December 19, 2008 at 3:56am
Biology
where do cells come from
Thursday, December 18, 2008 at 10:24am
Biology
Why do eukaryotic cells develop, or how do eukaryotic develop?
Wednesday, December 17, 2008 at 11:57pm
Biology
two similarities and two differences between eukaryotic cells and prokaryotic cells
Wednesday, December 17, 2008 at 8:33pm
biology
how does rigworm appear?
Wednesday, December 17, 2008 at 12:43pm
Biology
How do you think that the cell theory has aided in finding cures for disease?
Wednesday, December 17, 2008 at 12:38pm
biology
Bromothymol blue (BTB) is a chemical that turns yellow in the presence of carbon dioxide. In the presence of oxygen, BTB stays blue. In his science class, Sanjay used BTB to test for the presence of those two gases in three situations. *Sanjay's Procedure* Sanjay labeled ...
Wednesday, December 17, 2008 at 8:22am
biology
why does hydrophilic residues of myoglobin replaced by hydrophobic residues of hemoglobin?
Monday, December 15, 2008 at 9:43pm
Biology
What are the parts of a controlled experiment?
Monday, December 15, 2008 at 9:08pm
AP Biology
Which of these characteristics are typical of a r-selected population? a. occurence in variable environments b. high intrinsic rate of growth c. onset of reproduction at an early age d. extensive parental cae of offspring e. occurrence in open habitats
Sunday, December 14, 2008 at 10:43pm
biology
what are the important differences between living and non-living things?
Saturday, December 13, 2008 at 7:44pm
biology
Which part of an atom has a positive charge?
Thursday, December 11, 2008 at 8:45pm
Biology
Entire organish, with even their most delicat parts intact, have been found preserved(fossilized) in ________ and ____________?
Thursday, December 11, 2008 at 8:14pm
biology
If an atom of sulfur (atomic number 16) were allowed to react with atoms of hydrogen (atomic number 1), which of the molecules below would be formed? a.S-H b.H-S-H c.H-S-H | H d.H | H-S-H | H e.H=S=H
Thursday, December 11, 2008 at 2:57pm
Biology
How many grams of the molecule in the figure above would be required to make 1 L of a 0.5 M solution of the molecule? H O | || (looks like C=O on the vertical) H-C-C-O-H | H a.29 b.30 c.60 d.150 e.342
Thursday, December 11, 2008 at 2:39pm
Biology
What is needed for respiration?
Thursday, December 11, 2008 at 12:19pm
BIOLOGY
Table Sugar can react with water to form 2 other compounds, glucose & fructose. But, when you add sugar to a glass of water the reaction is very slow - WHY? What would it need to speed it up?
Thursday, December 11, 2008 at 9:57am
biology
why does the northward migration take two months longer than the southward migration?
Wednesday, December 10, 2008 at 10:53am
biology
why do grey whales migrate for a long distance?
Wednesday, December 10, 2008 at 10:53am
Biology
I just need somebody to explain in plain english what "Immune Modulation" is. Google doesn't help at all, it just directs me to bunch of science research papers!
Tuesday, December 9, 2008 at 10:12pm
biology
it has recently been shown that UGA specifies tryptophan and CUA codes for threonine in the mitochondrial translation system of yeasts and hamsters. A. what do these codons usually specifiy B. Comment on the significane of these minor departures from the code Can someone ...
Tuesday, December 9, 2008 at 3:52pm
Biology
What is the difference between type I and type II immune response?
Monday, December 8, 2008 at 11:35pm
Biology
A bricklayer has an assistant who brings bricks to the bricklayer so she can build a wall. What part of translation most closely resembles the assistant's job? What do the bricks represent?
Monday, December 8, 2008 at 7:03pm
Biology
Why do some foods contain lipids but others do not?
Monday, December 8, 2008 at 5:48pm
biology
A plant is placed in bright sunlight. After a few hours, one of its leaves is stained with iodine solution. Which structure will be stained blue/black?
Monday, December 8, 2008 at 1:26am
ap biology
Meiosis reduces chromosome number and rearranges genetic information. a. Explainhow the reduction and rearrangement are accomplished in meiosis.
Sunday, December 7, 2008 at 8:20pm
Genetics/Biology
What kind of inheritance is it when the offspring have spots of different colors from its parents? Like a brown dog with a white dog makes a white/brown spotted dog.
Sunday, December 7, 2008 at 5:27pm
Biology
-Rank the following terms from simplest to most complex: cells, organelles, organs, tissue, organism. -If a cell is like a school, then the nucleus would be...? -Which organelle serves as a "workbench" for the ribosomes?
Thursday, December 4, 2008 at 5:07pm
AP BIOLOGY
I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.
Wednesday, December 3, 2008 at 6:48pm
Biology
A dominant gene does not "subdue" or "cover" a recessive gene. Explain using round and wrinkled peas as your example.
Wednesday, December 3, 2008 at 5:10pm
biology
i am in 9th grade biology and i am REALLY confused about the difference between controll variable, responding variable, manipulated variable and controll group. any help would be great. i have a test TOMORROW!!!!
Wednesday, December 3, 2008 at 4:27pm
11th grade:AP Biology
This is concerning Ecology. Question: You turn on a light and observe!@#$%^&roaches scurrying to dark hiding places. What have you observed? A. taxis B. learned behavior C. migration D. visual communication E. operant conditioning I have already crossed out migration; however...
Wednesday, December 3, 2008 at 12:06am
science
Is cell biology directly related to technology????
Tuesday, December 2, 2008 at 4:01pm
Biology
what enzyme do bacteria se to break down starches? List the three protozoan kingdoms. Which of thse kingdomsdo the slime molds belong to? what is the unique mode of reproduction that is characteristic of the scyphozoans?
Tuesday, December 2, 2008 at 1:02am
biology
1. Explain the problems that growth causes for cell 2. Describe how cell division solves the problem of cell growth
Monday, December 1, 2008 at 8:17pm
Ap biology
Why Does Rigor Mortis Develop?
Monday, December 1, 2008 at 4:23pm
biology
i really need some help!! i understand the parts of the heart and their names, but i am really confused on the cardiac cycle graph that shows the pressure of the heart at certains stages HELP ME PLEASE!
Monday, December 1, 2008 at 3:25pm
biology
Biotechnology allows us to use living organisms or their processes for human needs or purposes. Currently, this topic includes such general examples as cloning, stem cells (adult, umbilical cord, and embryonic), DNA fingerprinting, biological warfare, bioremediation, ...
Sunday, November 30, 2008 at 5:08pm
Biology (respiration)
1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?) 2* what is the molecular formula for fructose 1 6 di/biphosphate? SOME SITES say C(6)H(10)O(6)P and some say C(6)H(14)O(6)P...WHICH IS IT? making me real confused 3* what is the formula for glyceraldehyde 3 ...
Sunday, November 30, 2008 at 10:36am
Biology (respiration)
Okay...so its about glycolysis in ANaerobic respiration QUESTIONS 1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?) 2* what is the molecular formula for fructose 1 6 di/biphosphate? SOME SITES say C(6)H(10)O(6)P and some say C(6)H(14)O(7)P...WHICH IS IT? ...
Saturday, November 29, 2008 at 9:48pm
Biology
Hey guys! I'm thinking that B is the correct answer, but doesn't the DNA that is going to be inserted into the vector complementary to the mRNA strand? Would appreciate some help! Which one of the following is the biggest challenge that must be overcome in order to get...
Saturday, November 29, 2008 at 8:27pm
SAT Essay
REFORMATTED Think carefully about the issue presented in the following excerpt and the assignment below. In many circumstances, optimismthe expectation that one's ideas and plans will always turn out for the bestis unwarranted. In these situations what is ...
Thursday, November 27, 2008 at 10:03pm
BIOLOGY
what would happen if the cell plasma membrane was hydrophilic? how would this affect molecular movement?? The links didn't answer my question...thanks Sra but they didn't help
Thursday, November 27, 2008 at 3:44pm
CELL biology
what would happen if the cell plasma membrane was hydrophilic? how would this affect molecular movement??
Wednesday, November 26, 2008 at 6:50pm
12th grade Biology
Q. decribe how it is metabolized and how many ATP are produced from each: a)fructose b)sucrose c)palmitic acid d)glycerol e)alanine f)glutamic acid g)aspartic acid i know that fructose produce 48 atps, sucrode produce 76 atps, palmitic acid produce 96atps glycrol produce 19 ...
Wednesday, November 26, 2008 at 6:49pm
Biology
where does the small intestine connect to the large intestine?
Tuesday, November 25, 2008 at 7:57pm
Biology
What is pancreatic amylase. I seem to find every kind of amylase except pancreatic. I need a good, understandable defination. Thanks.
Tuesday, November 25, 2008 at 6:15pm
Biology
I'm making a picture book and I need to draw the following, what would they look like? Pepsin Bile Trypsin What I'm asking is what do the following look like. Is it a solid or a liquid and what color. Thanks.
Tuesday, November 25, 2008 at 5:29pm
biology
Can someone explain to me how a plasma/cell membrane carry put the following functions? i've searched the net and can't seem to find anything on them * Compartmentalization of the cell into organelles * Organization of biochemical pathways Attain optimal [...
Tuesday, November 25, 2008 at 4:21pm
biology
what are the three parts of the cell theory?
Tuesday, November 25, 2008 at 10:43am
Biology
Where within the cell are the DNA instructions located?
Monday, November 24, 2008 at 8:38pm
Biology
If the fourth base in the original DNA strand (AAT-GCC-AGT-GGT-TCG-CAC) where changed from G to C, would it be... AAT-GCC-AGT-CGT-TCG-CAC or AAT-CCC-AGT-GGT-TCG-CAC
Monday, November 24, 2008 at 7:22pm
Biology
What are the roles of the mRNA codon and the tRNA anticodon?
Monday, November 24, 2008 at 7:12pm
biology
who discovered the cell theory? What are the 3 parts of the cell theoy?
Monday, November 24, 2008 at 10:56am
SAT Practice Essay
Think carefully about the issue presented in the following excerpt and the assignment below. In many circumstances, optimismthe expectation that one's ideas and plans will always turn out for the bestis unwarranted. In these situations what is needed is not an ...
Sunday, November 23, 2008 at 9:34pm
Biology
Does the pharynx seperate the esophogus from the trachea? What's the purpose of the pharynx? If the epiglottis blocks food from going down the trachea then whats the function of the pharynx?
Sunday, November 23, 2008 at 8:21pm
biology
cells are to tissues as tissues are to
Sunday, November 23, 2008 at 1:37pm
BIOLOGY
what does it mean when it is said that a prokaryote has biochemical versatility and genetic flexibility
Saturday, November 22, 2008 at 2:33am
Biology
why do people conduct an experiment using pH? whats the purpose of the pH scale? why do we use it?
Friday, November 21, 2008 at 8:55am
biology
Cellular Respiration and Photosynthesis co-exist as paired metabolic processes. Photosynthesis uses light energy to convert carbon dioxide into glucose, a simple sugar, in two steps, the light dependent and light independent reactions. Oxygen is produced as a by product ...
Friday, November 21, 2008 at 12:49am
Pages: <<Prev | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | Next>>
Post a New Question | Current Questions
For Further Reading