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April 21, 2014

Search: DNA &RNA

Number of results: 1,137

DNA &RNA
For similarities, I would say that they both have hydrogen bonds. . . DNA is double stranded whereas RNA is single stranded. Two helices for DNA but one helix for RNA . . . RNA comes from the master plan blueprint called DNA. . . . RNA comes in messenger and transfer varieties...
Thursday, February 26, 2009 at 7:25pm by Brandon

biology
i have some notes but before christmas break was here i had surgery so i didn't get to finish my notes in class and i don't understand much of my work so heres part of my notes: DNA and RNA Differences: #of strands for DNA? RNA? sugar DNA? RNA? Base that binds with Adenine DNA...
Monday, December 31, 2007 at 5:08pm by alex

Biology
Some biochemical evidences that there was once an RNA World... 1. The RNA World solves the chicken-or-egg paradox, “Which came first, DNA or proteins?” The answer would be, neither: an RNA molecule capable of both storing genetic information and catalyzing its own replication ...
Friday, May 8, 2009 at 4:46pm by RickP

DNA &RNA
That's right. Our class spent FOREVER on this, but RNA also has a different sugar type. DNA contain deoxyribose and RNA is just Ribose.
Thursday, February 26, 2009 at 7:25pm by Paige

Biology
DNA is more stable than RNA because it is double stranded and bound together by hydrogen bonds. RNA does not have this bond and is open for chemical reactions. This is useful because RNA "prints" new DNA.
Saturday, January 12, 2013 at 11:53am by Brendy

DNA &RNA
State two differences between DNA and RNA. we did not study this at all, so far I see that DNA has several million nucleotides, the smaller RNA only has several thousand of them. the second thing I noticed is that they both have a base,a five carbon sugar and a phosphate group...
Thursday, February 26, 2009 at 7:25pm by sport

AP Biology- Molecular Genetics
The correct sequence between genes and their phenotypic expression is a) RNA-DNA-protein-trait b) DNA-RNA-protein-trait c) Protein-DNA-RNA-trait d) trait-DNA-RNA-protein I think it is either b or d but do not know if the trait is at the beginnig or end... Once translated, the ...
Monday, March 14, 2011 at 10:50pm by Jill

Biochemistry
Just need help. Question: One strand of DNA is completely transcribed into RNA by RNA polymerase. The base composition of the DNA template strand is: G =20%. C=25%, A=15%, and T=40%. What would you expect the composition of the newly synthesized RNA to be?
Friday, October 2, 2009 at 9:44am by James

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 ...
Monday, February 8, 2010 at 12:12pm by mysterychicken

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 ...
Monday, February 8, 2010 at 5:32pm by mysterychicken

Biology
Using RNA a s a template for prot e in synthesis instead of t r ans l a t ing prot e ins directly from the DNA is advantageous for the cell because A) RNA is much more stable than DNA. B) RNA acts as an expendable copy of the genetic material, allowing the DNA to serve as a ...
Sunday, December 11, 2011 at 10:12pm by Matthew

Chemistry
since nucleic acis have charged phosphate groups, DNA and RNA contain lots of negative charges. Would you suspect that DNA and RNA are soluble in polar solvent like water?
Tuesday, May 5, 2009 at 3:51pm by Heather

biology
1.How many strands of mRNA are transcribed from the two "unzipped" strandsof DNA? 2.What are the three parts of an RNA nucleotide? 3.How does base pairing differ in RNA and DNA? 4.What is the function of mRNA? 5. What is a codon?
Monday, December 31, 2007 at 4:38pm by alex

biology
During DNA replication, DNA Polymerase matches up the pairs of nitrogenous bases, prepared by the RNA primer (made by the enzyme RNA Primase)to create a new segment of DNA. They are matched to the bases on the parent strand. This occurs on both the leading strand and the ...
Thursday, October 28, 2010 at 1:23am by TheQuestion

intro chemistry college
State two differences between DNA and RNA. we did not study this at all, so far I see that DNA has several million nucleotides, the smaller RNA only has several thousand of them. the second thing I noticed is that they both have a base,a five carbon sugar and a phosphate group...
Thursday, February 26, 2009 at 5:39pm by sport

Anatomy + Physiology
What are the building blocks for nucleic acids DNA and RNA? DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are polymers of nucleotides linked in a chain through phosphodiester bonds. In biological systems, they serve as information-carrying molecules or, in the case of...
Tuesday, November 7, 2006 at 9:30pm by AJ

Genetics
Given the sequence of bases in the sense strand of DNA shown below, please answer the following questions. 5'-ATGTTTCCCCAGAAGAGGTATGGGAAAAAGATTTGA-3' a. Show the sequence of bases in the messenger RNA encoded by this gene. I'm not sure what this means. I looked up "sense ...
Wednesday, November 4, 2009 at 4:03pm by Jenna

Bio...DNA
Can anyone explain the relationship between the structure of DNA , protein structure and phenotype of an organism? Also, what is the role of DNA in protein synthesis? I will give you a little hint. The DNA makes the RNA. The RNA makes the proteins by amino acid building blocks...
Sunday, May 20, 2007 at 11:54am by Pet

Biochemistry
the copying of DNA into RNA by RNA polymerase enzyme.
Saturday, May 11, 2013 at 11:33am by bonjo

Biology
sorry a few more questions why can DNA form fibres that allow it to seprate from RNA while RNA cant form such fibres? also, when treated with DNAse, I know DNA viscosity reduces because its cut up into smaller pieces. but on a graph of viscosity vs time, I have this ...
Wednesday, April 9, 2008 at 1:46pm by Steven

biology
in the nucleus it makes dna and rna....they then go out an make protein in the central dogma dna yields to rna which yields to protein. also remember there is transcription and translation.RER make or synthesis protein! SER makes lipids!
Wednesday, September 21, 2011 at 11:55am by Bre'Anna

Biology
http://talk.collegeconfidential.com/showthread.php?p=4515174 Imagine you had made an RNA copy of each strand of a DNA double helix. If you were now to mix these two RNA single-strand copies together, do you think they would form a double-stranded RNA molecule? Why do you ...
Sunday, August 5, 2007 at 2:13pm by bobpursley

Bio
of the following, the best conclusion concerning the difference between the S phases for beta and gamma is that: a. gamma contains more DNA than beta b. beta and gamma contains the same amout of DNA c. beta contains more RNA than gamma d. gamma contains 48 times more DNA and ...
Wednesday, October 24, 2007 at 7:48pm by Awalmeer

DNA
look up DNA or RNA for stop, start functions.
Wednesday, September 29, 2010 at 4:00pm by bobpursley

Anthropolgy
If one strand of DNA has a nucleotide base sequence of TCAGGTCCATAT, What is its complement base sequence? If the above is the DNA template strand, what is the corresponding RNA nucleotide base sequence? How many amino acids are coded for on the segment of RNA?
Monday, May 26, 2008 at 2:43pm by Ted

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, and once again ...
Friday, April 10, 2009 at 7:55pm by Marsha

chemstry
This is not chemistry but immunology/biology. The HIV virus is what microbiologists/immunologists classify as an RNA virus. RNA viruses are not like DNA viruses because they use their RNA transcript to infect cells, namely helper t-cells. Helper t-cells are a type of white ...
Tuesday, January 29, 2013 at 9:55am by Devron

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. 5’–TACTTCTTCAAGACT-3’ For this above DNA sequence, what information is contained in the genetic code for the first and last...
Sunday, March 1, 2009 at 8:55pm by Sherri

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. 5’–TACTTCTTCAAGACT-3’ For this above DNA sequence, what information is contained in the genetic code for the first and last...
Monday, April 13, 2009 at 3:12pm by Sherri

Anthropolgy
This is more biology or genetics than anthropology. These letters do indeed stand for nitrogeneous bases, but you need to know the rules for how the hydrogen bonds work. These bases are always paired up in the same fashion. For DNA, adenine and cytosine always travel together ...
Monday, May 26, 2008 at 2:43pm by Brandon

Biology
They are conserved sequences, and they both bind proteins to initiate the synthesis of a strand. However, the strands that they initiate synthesis of are different, as well as the proteins that they bind. DNA polymerase binds at the Replication Origin and initiates the copying...
Sunday, February 10, 2013 at 10:34pm by Devron

Biology
Thank you for using the Jiskha Homework Help Forum. Here are some sites on that; 1. http://www.ncc.gmu.edu/dna/rna.htm 2. http://photoscience.la.asu.edu/photosyn/courses/BIO_343/lecture/DNA-RNA.html 3. http://www.teknat.uu.se/forskning/program.php?vetenskapsid=&hforskomr=8&id=...
Thursday, October 25, 2007 at 1:09am by SraJMcGin

AP Biology
Since this is not my area of expertise, I searched Google under the key words "reproduction DNA RNA virus" to get this: http://www.google.com/search?client=safari&rls=en&q=reproduction+DNA+RNA+virus&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more ...
Thursday, March 18, 2010 at 11:45pm by PsyDAG

BIOLOGY
i need help with dna and rna
Saturday, February 21, 2009 at 4:40pm by shaquille

BIOLOGY
i need help with dna and rna
Saturday, February 21, 2009 at 4:40pm by shaquille

CHEMISTRY
Well, DNA is the genetic material that determines everything. RNA, however, is what actually executes what instructions the DNA tells it to do. If the DNA tells them to create AIDS, they'll make AIDS. If the DNA tells them to create something that would fight cancer, they'll ...
Friday, August 19, 2011 at 10:02am by Sachin

Biology
Basic structural unit of a DNA molecule is called a nucleotide. Basics structural unit an of RNA molecule is also a nucleotide. Basic structural unit of a polypeptide is called an amino acid. DNA is translated into RNA which is transcribed into amino acids, which then link ...
Friday, March 14, 2014 at 12:47pm by Elle

Biology
Where in the cell does DNA become RNA?
Tuesday, January 15, 2008 at 9:50pm by Katie..

science
what is the number of strands in dna and rna?
Tuesday, February 24, 2009 at 8:41pm by Tammy

Science
what is the difference between RNA and DNA?
Sunday, January 24, 2010 at 3:32pm by Lynn

Biology
Why DNA is more stable than RNA?
Saturday, January 12, 2013 at 11:53am by Mengistu

PLEASE HELP ASAP..thanks..BIOLOGY
Since chromosomes are within the nucleus, the latter must be larger. Since this is not my area of expertise, I searched Google under the key words "RNA DNA" to get these possible sources: (Broken Link Removed) http://nobelprize.org/educational_games/medicine/dna/index.html ...
Tuesday, January 15, 2008 at 10:19pm by PsyDAG

biology
what are the advantages of beginning with RNA versus DNA?
Wednesday, September 8, 2010 at 4:07pm by Gordon

BIOLOGY
it binds Thymine in DNA and Uracil in RNA
Wednesday, May 16, 2012 at 10:24pm by Ajani

Biology
do mutations occur in DNA or RNA? Explain
Tuesday, December 18, 2012 at 10:08pm by Cam

biology
in what aspects are DNA and RNA polymerases similar?
Friday, November 29, 2013 at 12:13am by Anonymous

Biology
8. Where is RNA formed? 9. Write out the pairings from DNA to RNA. 10. Where is RNA formed? To where does it travel? 11. What is the difference between mRNA and tRNA? 12. What are three bases of mRNA called? At what organelle are they read? 13. What is the purpose for mRNA? ...
Tuesday, January 29, 2008 at 3:31pm by Tiffany

Science
What is in RNA, but not in DNA? a.) thymine b.) thyroid c.) adenine d.) uracil
Thursday, September 20, 2007 at 11:20pm by Brittany

Chemistry
State two differences between DNA and RNA.
Sunday, February 22, 2009 at 8:09pm by Laura

chemistry
If I isolated a strand of nucleotides, how could I determine if they were DNA or RNA?
Thursday, July 14, 2011 at 12:32pm by ana

Biology
The origin of life (abiogenesis) is not understood anywhere near as well as evolution is, so no one can give you a really strong answer. There are several different theories for the OOL, one of which is the RNA World theory. Originally, it held that a specific type of RNA (a ...
Friday, May 8, 2009 at 4:46pm by RickP

science
wehat is the difference between RNA and DNA that allows them to be separated?
Wednesday, April 9, 2008 at 4:51pm by allie

science
What is the difference between RNA and DNA that can be used to separate them from one another?
Wednesday, April 9, 2008 at 6:50pm by jonathan

biochemistry
pls help! discuss the effect of acids and alkalis on DNA & RNA. Thanks.
Sunday, February 6, 2011 at 8:26am by victor

biology
explain why the synthesis of proteins, DNA and RNA requires energy. thanks :)
Wednesday, September 21, 2011 at 11:55am by grace

science
if a DNA virus infects a cell, why must it produce RNA?
Sunday, December 2, 2012 at 6:39pm by robbie

biology
why are RNA viruses much more deadly than DNA viruses? Thank you for using the Jiskha Homework Help Forum. Biology is out of my field but here are some links on RNA & DNA viruses: 1. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/V/Viruses.html 2. http://en.wikipedia....
Tuesday, March 20, 2007 at 9:18pm by help me please!!!

science
Which molecule contains ribose has its sugar? where in the cell does DNA become RNA?
Tuesday, January 15, 2008 at 9:56pm by Kristen

AP Biology
the process of making a complimentary copy of the DNA to form RNA is called?
Wednesday, February 23, 2011 at 11:22pm by unknown

biology
1. What are the three parts that make up a nucleotide? 2. What is the sugar found in DNA? 3. What are the four different bases found in DNA nucleotides? 4. What two parts make up the sides of the DNA “ladder”? 5. What holds the sugars and the phosphates together? 6. What ...
Sunday, February 24, 2008 at 1:11am by Anonymous

Ag. Bio
No, the RNA has not undergone RNA processing yet. The AAC may be part of an intron--a non-coding sequence of RNA that is removed from the strand before exiting the nucleus and being translated into a protein.
Wednesday, April 14, 2010 at 11:56pm by gia

Ag. Bio
No, the RNA has not undergone RNA processing yet. The AAC may be part of an intron--a non-coding sequence of RNA that is removed from the strand before exiting the nucleus and being translated into a protein.
Wednesday, April 14, 2010 at 11:56pm by gia

Biology
I go with B. It makes more sense that way. DNA never leaves a cell only messenger RNA does.
Sunday, December 11, 2011 at 10:12pm by Peter

biology
Monomer of the polymer nucleic acid (found in DNA and RNA, for example). Composed of a phosphate, a sugar, and a nitrogenous base.
Tuesday, March 30, 2010 at 3:08pm by TheQuestion

science
Lipids: Not a polymer because _ __x's energy than carbs Saturated= Unsaturated= Nucleic Acids: RNA= DNA= Carbohydrates: Building blockks
Saturday, January 26, 2013 at 6:00pm by Katie

science
19. The term chromatin refers to a. the color of certain cells b. chromosomal DNA c. the fluid within the nucleus d. ribosomal RNA
Monday, January 28, 2013 at 9:44pm by erica

biology
DNA is double stranded. It splited out into two single strand and produce another new strand and that created more DNA. Next, the DNA sequences are translated into amino acids. For every 3 base sequences, that would represent a single amino acid. There are specific sequences ...
Tuesday, January 29, 2008 at 2:50pm by jAKE1214

Biology
Hi Dannie, 1. In order for a cell to reproduce it must copy its DNA to pass on its genetic information. 2.DNA replication is the process of duplicating the DNA to make 2 identical copies. 3.The first step of DNA replication is the separation of the 2 DNA strands.
Thursday, November 8, 2007 at 8:39pm by Mercedes

Science
Here are some good explanations" http://www.google.com/search?q=difference+between+RNA+and+DNA&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Sunday, January 24, 2010 at 3:32pm by SraJMcGin

Biology
What is the basic unit of information in a DNA molecule? In an RNA molecule? In a polypeptide?
Friday, March 14, 2014 at 12:47pm by Anonymous

Science
RNA is to U(Uracil) as DNA is to ? a. Cytosine (don't think so) b. Guanine (don't think so) c. Thymine d. Adenine
Friday, January 24, 2014 at 4:07am by David

AP Biology
compare and contrast the mode of reproduction of a DNA virus with that of a typical RNA virus (retrovirus).
Thursday, March 18, 2010 at 11:45pm by sheer

Chemistry
I remember this from biology: DNA is double stranded RNA is single stranded They both have different functions too
Sunday, February 22, 2009 at 8:09pm by Chopsticks

science
Lisof a strand of the base sequence of a strand of RNA made using the DNA pattern ATCCGTC. Can you please help me
Tuesday, February 24, 2009 at 4:54pm by Gaby

Biology
Have you checked here?: http://www.google.com/search?q=convert+a+DNA+conversion+into+RNA+equivalent&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Friday, April 10, 2009 at 7:55pm by SraJMcGin

biology
Try some of the following links for information: http://www.google.com/search?q=why+the+synthesis+of+proteins%2C+DNA+and+RNA+requires+energy.+&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Wednesday, September 21, 2011 at 11:55am by SraJMcGin

Biology
Thank you for using the Jiskha Homework Help Forum. Here are some sites on precipitation of DNA: 1. (Wikipedia): http://en.wikipedia.org/wiki/Ethanol_precipitation 2. (the basics): http://bitesizebio.com/2007/12/04/the-basics-how-ethanol-precipitation-of-dna-and-rna-works/ 3...
Tuesday, November 11, 2008 at 6:02am by SraJMcGin

Biology
Which of the following is not a terminal electron acceptor in anaerobic respirations? a)nitrite b)carbon dioxide c)hydrogen sulfide d)sulfate e)nitrate Question 2 Which of the following is not an end product of fermentation? a)pyruvate b)none of the answers are correct c)...
Friday, September 10, 2010 at 12:41pm by Tommy

biology
https://www.google.com/search?client=safari&rls=en&q=DNA+RNA+polymerases+similarities&ie=UTF-8&oe=UTF-8
Friday, November 29, 2013 at 12:13am by PsyDAG

science
for an example a strand of DNA could be GAT ACG TAG CAT CAA GGA GAC CCC TTA and match up the strands but remember no thymine in RNA it's only urical
Monday, December 14, 2009 at 9:05pm by christina

Biology
In the final step of DNA extraction from E. Coli bacteria, we used ethanol so that the DNA would precipitate. Why is it that DNA precipitates in ethanol, and not in water? Both of them are polar solvents, and so is DNA. So why doesn't water make DNA precipitate?
Tuesday, November 11, 2008 at 6:02am by Christiaan

DNA
I have to build a DNA and RNA structure. It must stand on its own. What materials would you suggest i use? Thank you. http://biology.about.com/c/ht/00/07/How_DNA_Model_Candy0962932481.htm
Sunday, November 5, 2006 at 12:19am by Amanda

science
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A or B. A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the correct DNA ...
Sunday, November 20, 2011 at 6:57pm by jake

Science-important!
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A or B. A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the correct DNA ...
Monday, November 21, 2011 at 3:44pm by jake

science
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the ...
Monday, November 21, 2011 at 6:30pm by jake

Biology
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the ...
Monday, November 21, 2011 at 6:31pm by jake

Biololgy
Genetic engineering a. Allows the use of bacteria as production factories for a number of molecules b. Relies of recombinant DNA technology c. Is dependent on RNA enzymes d.Relies completely on conjugation e. a and b
Saturday, June 21, 2008 at 6:08pm by Mecia

biology
Indentify what category (protein, carbohydrate, or lipid) each of the following is: hemoglobin, ligaments, RNA, DNA, muscle fibers, cholesterol I thought RNA and DNA were nuecleotides.. but who knows? Thanks in advance. If those are the only 3 possible answers, then your ...
Wednesday, September 27, 2006 at 7:58pm by Natalia

PLEASE HELP ASAP..thanks..BIOLOGY
Where in the cell does DNA become RNA? Which larger a chromosome or a nucleotide. Which is larger, a chromosome or a nucleus?
Tuesday, January 15, 2008 at 10:19pm by katie

Chemistry
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
Tuesday, March 30, 2010 at 3:58am by Marlene

chem
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
Wednesday, April 7, 2010 at 8:44pm by Anonymous

CHEMISTRY
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
Friday, August 19, 2011 at 10:02am by ken

chemistry
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
Friday, February 17, 2012 at 10:25pm by Jenn

science
what is the unity of life? if asked to explain two examples could it be a human and a chimp or would the two examples be DNA and RNA?
Wednesday, January 16, 2013 at 8:30pm by annie

Biology
Amino acid is to protein as A. fat is to lipid B. DNA is to RNA C. sugar is to fat D. simple sugar is to cellulose I think it is A..?
Wednesday, August 28, 2013 at 10:04am by Cassie

biology
In the search to discover the agents that caused mad cow disease, scrapie in sheep, and CJD and kuru in humans, the diseased brain tissues were filtered and still found to be infective, indicating they are not bacteria but either viruses or chemical molecules. If it was a ...
Saturday, October 11, 2008 at 4:00pm by Brooke

Science
mismatch error to be repaired? Which is the best answer, I think it's A. Can someone who know's science tell me if I am right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the ...
Monday, November 21, 2011 at 4:45pm by jake

Science
Translation is the process of where the RNA transcript is TRANSLATED into a protein. Whereas Transcription is the process in where DNA TRANSCRIBED into mRNA. The best answer choice is C
Friday, July 19, 2013 at 10:32am by Devron

bio
Supercoiling of DNA can occur (choose all that apply): A. when double stranded DNA is overwound B. when double stranded DNA is underwound C. when double stranded DNA is heated above it's Tm D. when DNA is treated with nucleases and Generally, cellular DNA is: A. Slightly ...
Monday, April 4, 2011 at 8:16pm by Yoo

bio
Supercoiling of DNA can occur (choose all that apply): A. when double stranded DNA is overwound B. when double stranded DNA is underwound C. when double stranded DNA is heated above it's Tm D. when DNA is treated with nucleases and Generally, cellular DNA is: A. Slightly ...
Monday, April 4, 2011 at 6:16pm by Yoo

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