Homework Help: Science: Biology

Recent Homework Questions About Biology

Biology
What fermentation products are made by both yeast and humans? Which product of fermentation is made by both humans and yeast? a. Ethanol b. CO2 c. NAD+ d. NADH In humans, lactic acid fermentation happens resulting in lactate, while the product of yeast fermentation is ethanol...
Monday, April 20, 2009 at 9:15pm

Biology
What animals are found on mangrove islands
Monday, April 20, 2009 at 4:43pm

Biology
what is the RNA sequence 3'-AUGAAGAAGUUCUGA-5' in amino acid? I need to convert the RNA sequence to amino acid sequence and I don't know how. Can some help?
Monday, April 20, 2009 at 1:30am

biology
f you mate a hairy ear rimmed female with a normal male what are the expected offspring genotypes and phenotypes and thier ratios
Thursday, April 16, 2009 at 9:50pm

Biology
Could you please help me with this question? Explain why DNA replication is a necessary step before mitosis or meiosis can occur. Thanks
Thursday, April 16, 2009 at 8:17pm

biology
why are the processes of transcription necessary for life?
Wednesday, April 15, 2009 at 10:12am

biology
why are the processes of transcription necessary for life?
Wednesday, April 15, 2009 at 9:57am

biology
a DNA chip contain set of random hexanucleotide probes.out of 4096 probe how many will form perfect complementary duplexes with sequestionwithin the 14 nucleotide single target DNA 5'GAACTGCATTGATA3'
Tuesday, April 14, 2009 at 8:10am

biology please help
one question left and just cant find the answer how to determine the accuracy of an estimate of the size of a dna fragment using a standard curve on semilog graph paper
Tuesday, April 14, 2009 at 2:14am

Biology
Assignment Type: Individual Project Deliverable Length: Completed Punnett Square and Answers to all Questi Points Possible: 125 Due Date: 4/12/2009 11:59:59 PM CT Part 1: Genetics: From Genes to Proteins Convert the following DNA sequence into its RNA equivalent and then ...
Monday, April 13, 2009 at 3:14pm

Biology
Mendel is the father of modern genetics, but there are some genetic characteristics that cannot be explained by simple Mendelian genetics. Such is the case with the human blood types in which there are 3 alleles for the same gene, A B, and o. A parent can pass allele A, B, or ...
Monday, April 13, 2009 at 3:13pm

Biology
Convert the following DNA sequence into its RNA equivalent and then using the genetic code, convert that RNA sequence into the amino acid sequence. 5â€™â€“TACTTCTTCAAGACT-3â€™ For this above DNA sequence, what information ...
Monday, April 13, 2009 at 3:12pm

Biology
Can you help me find statistics on the amount of people who suffer with genetic disorders/diseases every year or the amount of people who die from genetic disorders. Thanks a million.
Monday, April 13, 2009 at 12:06pm

Biology
Could you help me find any information about the history of genetic technologies and had it first began.
Monday, April 13, 2009 at 10:51am

Biology- Human Karyotyping
Could someone help me find 2 disorders that are the result of non-disjunction. I already have down syndrome, klinefelter syndrome, Turners Syndrome, Super Males, Triple X syndrome, Edward's syndrome and Patau's syndrome. Thanks in Advance
Sunday, April 12, 2009 at 6:49pm

biology
relative to the transcription start site, where would the promoter and terminator be located?
Sunday, April 12, 2009 at 2:34pm

Biology
I need help with DNA conversion. First of all, I needed to convert this DNA sequence into its RNA equivalent. 5'-TACTTCTTCAAGACT-3' After the conversion, I came up with this.. 3'-AUGAAGAAGUUCUGA-5'. Is this correct? Then I need to take the converted sequence, ...
Friday, April 10, 2009 at 7:55pm

biology
The energy an organism requires to transport materials and eliminate wastes is obtained directly from.
Thursday, April 9, 2009 at 1:46pm

Biology
What is Uniformitarianism?How it relates to fossils?
Wednesday, April 8, 2009 at 9:45pm

Biology
Why does smoking cause a rise in blood pressure?
Monday, April 6, 2009 at 8:25pm

biology
1. From one molecule of glucose, which process generates the largest amount of ATP? a. Glycolysis in a prokaryotic cell under aerobic conditions b. Glycolysis in a eukaryotic cell c. the TCA (Krebs) cycle in a prokaryotic cell d. the TCA (Krebs) cycle in a eukaryotic cell e. ...
Monday, April 6, 2009 at 1:22am

Biology
What is the name of organisms that EXCLUSIVELY use cellular respiration to break down glucose to produce ATP. What are three examples of the cells that can do this?
Saturday, April 4, 2009 at 1:03pm

biology
Given that the caloric expenditure is about 10 kcal/ 1 lb. * day. How would you find the ATP expenditure/day. Is it possible to calculate the amout of ATP used per day given only the caloric expenditure?
Thursday, April 2, 2009 at 7:43pm

Algebra 2
I need help factoring... I refuse to just sit there and play little games in my head trying to get numbers that fit... I'd rather thing of it as solving for X then going in backwards as that makes much more sense to me... So I'm given 16c^2 - 64 and i'm asked to ...
Thursday, April 2, 2009 at 7:36pm

biology
Do RNA viruses follow the central dogma, or are their genes and proteins stored, transmitted, regulated, expressed and processed, differently from eukaryotes?
Thursday, April 2, 2009 at 9:46am

college biology
Do RNA viruses follow the central dogma, or are their genes and proteins stored, transmitted, regulated, expressed and processed, differently from eukaryotes?
Thursday, April 2, 2009 at 9:36am

college-biology II
the cells of mushrooms have the "what" genetic condition?
Thursday, April 2, 2009 at 2:39am

Biology
Compared with a smaller cell, a larger cell of the same shape has a. the same surface-to-volume ratio. b. a smaller cytoplasm-to-nucleus ratio. c. less surface area. d. a smaller average distance between its mitochondria and the nucleus. e. less surface area per unit of volume...
Monday, March 30, 2009 at 7:51pm

Biology
Suppose that during meiosis I, the paternal chromosomes always went to one pole and the maternal chromosomes always went to the other pole. How would this affect the genetic variability of the offspring? Would children tend to look more like the parents? Why?
Monday, March 30, 2009 at 6:54pm

biology
what is the stages of mitosis?
Monday, March 30, 2009 at 11:41am

Science - Biology
Please can someone help me! I've got to do a biology experiment to Investigate the relationship between reaction temperature and the effectiveness of action of the enzyme amylase on starch. I really dont know what it is all about pls someone help :)
Sunday, March 29, 2009 at 8:51am

Biology
when might you use the "poor-quality website" in an academic Assignment in Biology?
Saturday, March 28, 2009 at 4:07pm

biology
what are some Positive/beneficial effects of bacteria on its host
Friday, March 27, 2009 at 3:30pm

Biology
How is information stored and coded in DNA and genes? A. In sets of three nucleotides called codons B. In amino acids that are bonded together to form proteins C. as mRNA, tRNA, and rRNA D. By an RNA polymerase I am stuck between A and B, but am pretty confident on A as the ...
Thursday, March 26, 2009 at 11:31pm

Biology
Based on a reigious viewpoint why is using human embryonic stem cells from embryos wrong?
Thursday, March 26, 2009 at 5:36pm

Biology
how can traits determine the characteristics of an organism? and what would happen if a base [i'm assuming in the dna sequence] is out of order?
Thursday, March 26, 2009 at 5:19pm

Biology
How could one change in a DNA nucleotide alter the formation of the translated protein?
Thursday, March 26, 2009 at 4:20pm

biology
Which organ sterilizes ingested food? A. Salivary glands C. Pancreas B. Stomach D. Liver (B)
Thursday, March 26, 2009 at 8:14am

biology
Which of the following is an accessory organ of the integumentary system? Sebaceous gland
Wednesday, March 25, 2009 at 9:45pm

Biology
If pure-breeding tall plants are self-fertilized what kind of plants always grow from the seeds that are produced?
Wednesday, March 25, 2009 at 6:59pm

biology
Which one of these occurs durning the light reactions of photosynthesis? a. carbon dioxide fixation b. g3P production c. NADPH production d. reduction in carbon dioxide
Wednesday, March 25, 2009 at 3:43pm

science biology
Does a slug breathe through gills, lungs or breathing hole? we think breathing hole, please can someone tell us if we are right? Thanks
Wednesday, March 25, 2009 at 1:37pm

biology
Can someone please help me with this question Write out an equation which summarizes cellular respiration as a complete oxidation of glucose and explain when in the process each reactant or procuct is consumed or produced. is at least this equation right? c6h1206+6o2-->6co2...
Tuesday, March 24, 2009 at 11:38pm

BIOLOGY
HOw does cellular respiration compare with the processes of combustion of methane or wood? HOw is it different?
Tuesday, March 24, 2009 at 10:31pm

Biology
Is the plasma membrane permeable to glucose or starch?
Tuesday, March 24, 2009 at 6:15pm

BIOLOGY - LAB
What is Confidence Interval? Is it better to have a large Confidence Interval or a small Confidence Interval? Briefly explain.
Tuesday, March 24, 2009 at 12:50pm

biology
what is the relationship between rate of ion exchange and surface to volume ratio?
Monday, March 23, 2009 at 7:13pm

college biology
Which solutions were isotonis to the egg? 15% @%% 30% 40% 50%
Saturday, March 21, 2009 at 5:17pm

college biology
What solutions were hyptonis to egg? solution 15% 25% 30% 40% 50% sucrose solution
Saturday, March 21, 2009 at 5:16pm

college biology
Whis solutions were hypertonis to the egg? All solutions contain too millitiers of sucrose solution. 15% 25% 30% 40 % and 50%
Saturday, March 21, 2009 at 5:15pm

biology college
In the Osmosis and diffusion lab xplains the flow of water when an egg reaches equilibrium.
Saturday, March 21, 2009 at 5:14pm

science-biology
name two processes for which DNA is responsible for what are the three components to a DNA nucleotide
Thursday, March 19, 2009 at 8:49pm

Biology
what properties/features of DNA allow DNA to have uniformity and be a universal molecule?
Wednesday, March 18, 2009 at 3:24pm

biology
In the scientific version of a species name, which of the terms is capitalized?
Wednesday, March 18, 2009 at 11:22am

Biology
Hi guys, need help with homework...got some done, but not sure about these thanks for any help! :) Take a balloon filled with hydrogen gas. Touch a match to the balloon. What happens? Big boom and lots of heat given off. Is ΔH favorable or unfavorable?? It would be ...
Tuesday, March 17, 2009 at 3:01am

Biology
Produce a nucleotide sequence with a single base-pair substitution mutation that still produces the same amino acid sequence. Indicate the site of the mutation and explain why the amino acid sequence is not affected.
Sunday, March 15, 2009 at 6:59pm

biology
where are most of the stomata located? how does its position aid both their function and the functioning of the plant? please help!!!
Sunday, March 15, 2009 at 11:20am

Biology
Explain how the alternate arrangement of leaves in Ivy plant increase photosynthesis? Please help me! I am stuck in this question!!!
Sunday, March 15, 2009 at 10:26am

BIOLOGY
What are the differences between the effects on excessively high, cool, and freezing temperatures on a living organism as compared with an enzyme? What is the significance of these differences?
Friday, March 13, 2009 at 5:38am

Biology
Are there Japanese Beetles in Italy? I couldn't find out if there were or not. Thanks for looking this up!
Wednesday, March 11, 2009 at 8:50pm

Biology
What is the purpose of the root hair and how does its structure aid it in performing this function?
Wednesday, March 11, 2009 at 8:13pm

biology test
study guide last one purpose of 3 types of RNA My answer 1. rRNA - bonds proteins and mRNA to provide the site of protein synthesis 2. tRNA - is used to pair their anticodons with the matching condons on the mRNA strand 3. mRNA - is to be the transcript of the DNA sequence and...
Tuesday, March 10, 2009 at 10:00pm

biology test
these are for my study guide - 1. what type of bonds hold the dna bases together and are they weak or strong My answer: hydrogen and weak
Tuesday, March 10, 2009 at 9:56pm

biology test
CAN YOU PLEASE HELP ME with a definition for my study guide of DNA polymerases. I have found many on the internet but not quite getting it.
Tuesday, March 10, 2009 at 9:48pm

biology
There is a beaker with 0.4% sucrose solution and the solute potential is -4. Inside the beaker, there is a dialysis bag with 01% sucrose solution, solute potential -1 and pressure potential 0. When the beaker is open to the atmosphere, what is the pressure potential of the ...
Sunday, March 8, 2009 at 11:11pm

biology repost
Predict what would happen to a red blood cell placed in each of the following external solutions. Would it shrink, swell, or not change its volume? Explain each answer in ONE sentence. a. 150 mM NaCl b. 100 mM NaCl plus 50 mM albumin
Friday, March 6, 2009 at 9:50am

biology
Predict what would happen to a red blood cell placed in each of the following external solutions. Would it shrink, swell, or not change its volume? Explain each answer in ONE sentence. a. 150 mM NaCl b. 100 mM NaCl plus 50 mM albumin
Friday, March 6, 2009 at 7:16am

Biology
5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends. What is the protein? I would appreciate any feedback! Thanks! :)
Thursday, March 5, 2009 at 7:21pm

biology
If a particular experiment were known to have a transformation efficiency of 3 x 10^3 bacteria/µg of DNA, how many transformant colonies would be expected to grow on the LB/amp/ara plate? You can assume that the concentration of DNA and fraction of cells spread on the LB...
Thursday, March 5, 2009 at 6:00pm

Biology
This is an mRNA sequence for the name of a protein found throughout your body: 5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends.
Thursday, March 5, 2009 at 5:55pm

Biology
If you've seen the movie GATTACA : What was in the card Eugene gave to Vincent? Why does Eugene think that he got the better end of the deal?
Wednesday, March 4, 2009 at 11:55pm

biology
the process of disjunction occurs during what?
Wednesday, March 4, 2009 at 5:58pm

Biology
Living yeast cells placed in a particular type of red dye (called Congo red) remain colourless. However, dead yeast cells placed in the same dye turn red. Explain this observation.
Wednesday, March 4, 2009 at 5:14pm

Biology
What's the purpose of a blank, a postivie control and a negative control?? (say, for an experiement with a spectrophotometer).
Wednesday, March 4, 2009 at 1:10pm

biology
i have two questions about cellular respiration that i cant get..: 1. why do you keep breating heavily for some time even after you have completed strenuous excercise? (i think this has to do with lactic acid fermentation???) 2. why do winemakers want to keep fermenting grapes...
Tuesday, March 3, 2009 at 3:38pm

Biology
In the following chemical reaction, what is carbon dioxide (CO2)? 12 H20 + 6 CO2 -> 1 glucose molecule + 6 O2
Monday, March 2, 2009 at 10:20am

Biology
In Drosophilia, the gene for red eyes, R, is dominant for the gene for white eyes, r. This is sex-linked Determine the possible genotype and phenotype ratios expected from a cross between, (a) heterozygous female and red-eyed male, (b) a heterozygous female and a white-eyed ...
Sunday, March 1, 2009 at 8:55pm

biology
what is the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)
Sunday, March 1, 2009 at 6:34pm

biology
what is the name of the pictures of chromasomes that are arranged according to size and pattern
Sunday, March 1, 2009 at 5:57pm

biology
what is the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)
Sunday, March 1, 2009 at 5:52pm

biology
What is the environmental influence of the alexander disease? If you dont know can you at least explain what that question means?
Sunday, March 1, 2009 at 3:40pm

Science(Biology)
Where in the human body is chromasome 17 located ( i mean like is it in the arm, leg, head). If possible, i would also like to know the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)
Sunday, March 1, 2009 at 3:27pm

science, biology
How might the chewing of food be related to the rate of a chemical reaction-digestion- that occurs in your body? explain
Sunday, March 1, 2009 at 11:51am

science, biology
What about combustion reactions makes them different from either synthesis or decomposition reactions?
Sunday, March 1, 2009 at 11:50am

science, biology
what evidence shows that the burning of methane is a chemical reaction?
Sunday, March 1, 2009 at 11:49am

biology
what is the seven taxa that identify Drosophila melanogaster? i cant find this anywhere.. thanks!
Sunday, March 1, 2009 at 11:38am

Biology
How many amino acids are in the protein insulin???
Saturday, February 28, 2009 at 10:44pm

biology
What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?
Friday, February 27, 2009 at 11:20pm

biology
What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?
Friday, February 27, 2009 at 9:58pm

biology
would you recieve more energy from corn by eating it directly or by eating the same mass of beef from a cow that had been fed on corn? i dont understand this one help please? thanks!
Wednesday, February 25, 2009 at 4:10pm

biology
a fatty acids is most closely associated with what?
Wednesday, February 25, 2009 at 11:48am

biology
why do biologists use a classification system to study the diversity of life
Tuesday, February 24, 2009 at 11:03pm

biology
The blastopore is a structure that first becomes evident during a. the eight-cell stage of the embryo. b. coelom formation. c. fertilization. d. cleavage. e. gastrulation. I think that it is (e). But I am kinda thinking that it could be (d) too. PLEASE HELP!
Tuesday, February 24, 2009 at 9:55pm

biology
Which process occurs in fungi and has the opposite effect on a cell's chromosome number than does meiosis I? karyogamy mitosis plasmogamy crossing-over binary fission I know that it is not mitosis. And I dont think that it is crossing-over. I was thinking that it was ...
Tuesday, February 24, 2009 at 9:16pm

biology
what genotypes would I use on a punnett sqare to shoe a man(color blind) and a woman (homozgous for normal vision
Tuesday, February 24, 2009 at 9:04pm

college biology
____________ are distributed throughout the body, making up the monocyte-macrophage system or reticuloendothelial system.
Tuesday, February 24, 2009 at 2:44pm

Biology: Evolution
Order the following events, giving the approximate dates in millions of years ago. a) first land plant b) flower c) alternation of generations d) vascular tissue e) cuticle f) first green plant g) vessels h) seeds So I think first land plants were 470 mya, first green plants ...
Tuesday, February 24, 2009 at 12:06am

biology
a. crossing-over b. plasmogamy c. mitosis d. karyogamy e. binary fission I know that is is not (a). Can you help me narrow it down any further?
Monday, February 23, 2009 at 11:54pm

biology
A plant whose reproductive parts produce nectar is also most likely to a produce sweet-tasting fruit. b have no parts that can perform photosynthesis. c have brightly colored reproductive parts. d rely on wind pollination. e suffer significant seed loss to sugar-seeking ...
Monday, February 23, 2009 at 11:42pm

Biology
I have to do a paper on the parts of a cell, it can be anything, like a t.v. show script, but I don't have any ideas, does anybody have any ideas?
Monday, February 23, 2009 at 8:38pm

college biology-drug metabolism
You are interested in examining the metabolism of a new drug that has been developed in your company. Briefly describe how you would determine whether cytochrome P450 is involved in metabolizing the drug, and if so, which subtype is involved.
Monday, February 23, 2009 at 8:23pm

Biology
For many years, humans have used a variety of techniques that have influenced the genetic makeup of organisms. These techniques have led to the production of new varieties of organisms that possess characteristics that are useful to humans. Identify one technique presently ...
Sunday, February 22, 2009 at 9:38pm

biology
create a punnett square crossing two individuals who are heterozygous for eyebrows. Identify the genotypes( ratios) Identify the phenotype (ratio) Draw phenotype
Sunday, February 22, 2009 at 12:17am

biology
create a punnett square crossing one person who has square palms (a) with someone who is heterozygous for palm size(Aa). What are the genotypes(ratios) Draw the phenotype
Sunday, February 22, 2009 at 12:13am

biology
Create a punnett square crossing one person who is heterozygous for separate eyebrows ( E) with a uni- browed person (e). What are the geneotypes? Draw the Phenotype
Sunday, February 22, 2009 at 12:09am

BIOLOGY
What is an intestine with spiral value? What is a ventral mouth? :)
Saturday, February 21, 2009 at 4:40pm

biology
Discuss why tuberculosis can be described as a "social disease". (3)
Friday, February 20, 2009 at 4:11pm

Biology
Increasing what in a plant cell will increase energy production? I was thinking glucose, water, or sunlight. But the thing is we are talking about changing something within the cell. Anyone want to chime in on this? Thanks!
Friday, February 20, 2009 at 4:08pm

Biology
5' C U A C C U C A G A U U C G C C U A C C U 3' a.What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends. I would appreciate the help! Thanks!
Friday, February 20, 2009 at 1:12pm

Biology
5' C U A C C U C A G A U U C G C C U A C C U 3' a.What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends.
Friday, February 20, 2009 at 11:11am

GCSE Biology
what is the process of carbon dioxide leaving leaves?
Thursday, February 19, 2009 at 9:07am

Biology
Hi, I've just recently gotten a project that requires you to make a 3D model of the mitochondria. I'm thinking of making it out of clay, but can someone help me think of other ways to make it? thanks.
Wednesday, February 18, 2009 at 11:04pm

Biology
I am doing a lab on Dialysis to check if starch moves through the differentially permeable membrane of dialysis tubing.We did this by placing a dialysis tube filled with starch solution into a beaker filled with distilled water and a few drops of iodine. I concluded that ...
Wednesday, February 18, 2009 at 9:38pm

Biology
Synthesis Question? Many parts of the world such as California, U.S., lack fresh water but have an abundance of salty seawater. Governments pay a lot of money to import fresh water for household use and crop irrigation. Why would it not be wise to save money by irrigating ...
Wednesday, February 18, 2009 at 6:39pm

Biology
When you consume more food than you require the mitochondria in the liver are involved in forming triglycerides from the excess. Why is storage of triglycerides important?
Wednesday, February 18, 2009 at 6:04pm

Biology
Three fatty acids form a triglyceride with one glycerol. What similarities would the fatty acids have with polysaccharides? What differences?
Wednesday, February 18, 2009 at 6:03pm

biology
How do organ systems work together to maintain homeostasis?
Wednesday, February 18, 2009 at 5:19pm

Biology
What caused Mendel to get different ratio results in first and second experiments with crosses?
Wednesday, February 18, 2009 at 11:47am

biology
an animal has a segmented body, soft fleshy skin, an open circulatory system, it breaths with tiny tubes and openings, and does not have legs or antennae. How would this organism need to change to become an arthropod?
Wednesday, February 18, 2009 at 5:43am

Honors Biology
What role did politics play in the discovery of the structure of DNA?
Tuesday, February 17, 2009 at 11:14pm

biology
What does the phase biological interrelationship mean
Tuesday, February 17, 2009 at 10:40pm

Biology
Which biological components (types of molecules) would be especially sensitive to pH changes? Why is this so?
Tuesday, February 17, 2009 at 9:31pm

biology
You find a male tribble with plaid fur. When you cross this male with a purebred solid blue female, all the offspring are solid blue. A cross between two of these F1 tribbles produces an F2 generation that is 3/4 solid blue and 1/4 plaid. All of the blue F2 tribbles are male. ...
Monday, February 16, 2009 at 7:24pm

biology
h ttp://i726.photobucket. com/albums/ww263/fornss/b iology2.jpg?t=1234820797 (remove spaces)
Monday, February 16, 2009 at 5:02pm

Biology
describe the effect of cyanide and arsenic on cellular repiration. Include the effect of these poisons on the electron transport chain. Be specific, and diagrams can be used to elucidate the process.
Monday, February 16, 2009 at 12:16pm

Biology
Where and how are tree seedlings raised?
Sunday, February 15, 2009 at 8:27am

biology
Why are coral reefs generally limited in distribution to shallow marine waters?
Sunday, February 15, 2009 at 1:12am

animal biology
What is meant when a cnidarian colony is described as polymorphic? What does it mean when an organism is described as colonial?
Sunday, February 15, 2009 at 12:37am

biology
how do Cnidarians move?
Saturday, February 14, 2009 at 11:16pm

Biology
Why is the diameter of the afferent arteriole to the glomerulus larger than the efferent ateriole? Explain one example of a homeostatic mechanism in the body. Explain why the control of carbon-dioxide in the blood is a negative feed back mechanism.
Saturday, February 14, 2009 at 7:12pm

Social Studies Opinion
What do you think about this aricle? Can I get some of your ideas? Indoctrinated in belief The statistics in "Darwin's sin" (Feb. 8), which indicate only half of Americans believe in evolution, are sad. Evolution is proven based on fact, scientific study and ...
Saturday, February 14, 2009 at 3:56pm

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

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