DNA &RNA

1,091 results

Biology

Which of the following statements regarding DNA and RNA is true? DNA can melt while RNA cannot. DNA is resistant to alkaline hydrolysis while RNA is not. DNA contains phosphodiester bonds while RNA does not. DNA can form double helices while RNA cannot.

Science

RNA is thought to have proceeded proteins and DNA, why? A. more types of RNA than DNA B. single stranded RNA is less complex than DNA Not sure if either are correct?

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...

science please help

in evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following observations provides the most convincing support for hypothesis? a) there are more types of RNA than there are DNA b) RNA contains combined catalytic, structural, and genetic ...

biology

In evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following provides the most convincing support for this hypothesis? a. there are more types of RNA than there are of DNA b. RNA can both store genetic information and act as an enzyme c. ...

biology

In evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following provides the most convincing support for this hypothesis? a. there are more types of RNA than there are of DNA b. RNA can both store genetic information and act as an enzyme c. ...

biology

In evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following provides the most convincing support for this hypothesis? a. there are more types of RNA than there are of DNA b. RNA can both store genetic information and act as an enzyme c. ...

science

In evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following provides the most convincing support for this hypothesis? a. there are more types of RNA than there are of DNA b. RNA can both store genetic information and act as an enzyme c. ...

genetics

Though this question sucks, which enzyme elongates the new DNA strand starting at an RNA primer? A.DNA polymerase I B.DNA polymerase III C.DNA polymerase II D.DNA ligase E.RNA polymerase

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...

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 ...

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?

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 ...

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 ...

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 ...

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?

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?

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...

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...

Biology

During transcription, when RNA nucleotides form base pairs with the DNA template, does this mean that RNA nucleotides and DNA nucleotides pair up?

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...

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 ...

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 ...

Microbes and Society

) what cancer diseases that are linked to DNA and RNA tumor viruses. Which diseases are they and which viruses are the causative agents? Describe at least 4 diseases linked to viruses (both DNA and RNA). please help

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 ...

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 ...

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?

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 ...

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...

biochem

dna template of auc? dna template of met? would that be ATC or TAG? Met's rna temp would be AUG. so its dna is TAC? or ATG? im confused.

Biology

Why do we use dna primer for PCR but RNA primer for dna polymerase in cells

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 ...

science please help

after the DNA strands are separated, which of the following is the next step of DNA replication in the S phase of the cell cycle? A) Action of helicase B) formation of RNA primer C) Breaking of hydrogen bonds D) joining of nucleotides i think it is either B or D

science please help

after the dna strands are separated, which of the following is the next step of DNA replication in the S phase of the cell cycle? Action of helicase formantion of RNa primer breaking go hydrogen bonds joining of nucleotides i think either B or D

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? ...

Science

Genes are specific sections of (Fill in the blank) Answer choices alleles, chromosome, incomplete dominance, mitosis, codominance, centromere, DNA, diploid, reproduce, phenotype, meiosis, RNA Is the answer chromosome, or DNA?

Biology

Where in the cell does DNA become RNA?

science

what is the number of strands in dna and rna?

Science

what is the difference between RNA and DNA?

Biology

Why DNA is more stable than RNA?

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....

Biology

I need some help with these questions. I've chosen answers, but I want to make sure if they are correct. 1)Which of the following is an acidic pH? 6 7 8 800 A: 6 None of the above ------------------------------------- 2) Which of the following is directly produced by ...

Science

I answered the questions, but I don't know if my choices are right. 1) Which of the following is an acidic pH? 6 7 8 800 None of the Above Answer: 6 ------------------------------------- 2) Which of the following is directly produced by photosynthesis? Glucose and oxygen ...

biology

what are the advantages of beginning with RNA versus DNA?

Biology

do mutations occur in DNA or RNA? Explain

biology

in what aspects are DNA and RNA polymerases similar?

Science

What is in RNA, but not in DNA? a.) thymine b.) thyroid c.) adenine d.) uracil

Chemistry

State two differences between DNA and RNA.

chemistry

If I isolated a strand of nucleotides, how could I determine if they were DNA or RNA?

Biology

Mention the role of DNA and RNA in living organisms?

Bio

What gives you your amino acid chain, DNA or RNA?

science

wehat is the difference between RNA and DNA that allows them to be separated?

science

What is the difference between RNA and DNA that can be used to separate them from one another?

biochemistry

pls help! discuss the effect of acids and alkalis on DNA & RNA. Thanks.

biology

explain why the synthesis of proteins, DNA and RNA requires energy. thanks :)

science

if a DNA virus infects a cell, why must it produce RNA?

Science

What is DNA and RNA? How do it work? How does it reproduce? How does it mutate? How do things evolve?

science

Which molecule contains ribose has its sugar? where in the cell does DNA become RNA?

AP Biology

the process of making a complimentary copy of the DNA to form RNA is called?

Biology

What are the macromolecules DNA and RNA referred to as? Proteins Carbohydrates Nucleic acids

science

in evolutionaly terms, RNA is though to have preceded proteins and DNA.

Biology

During translation, the amino acid detaches from the transfer RNA molecule and attaches to the end of a growing protein chain when a. the ribosomal RNA anticodon binds to the messenger RNA codon. b. the transfer RNA anticodon binds to the messenger RNA codon. c. a "stop" codon...

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

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

science

Lipids: Not a polymer because _ __x's energy than carbs Saturated= Unsaturated= Nucleic Acids: RNA= DNA= Carbohydrates: Building blockks

help please on this

Making a vaccine for HIV is difficult because the virus has a rapid rate of (A)__________. This is because it is a(n) (B)________ - its genetic material is RNA instead of DNA.

Biology

What is the basic unit of information in a DNA molecule? In an RNA molecule? In a polypeptide?

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

AP Biology

compare and contrast the mode of reproduction of a DNA virus with that of a typical RNA virus (retrovirus).

science help

Chromosone pairs contain diffrent versions of genes, which are called? A.alleles B.chromosome C.mitosis D.DNA E.RNA F.diploid G.meiosis H.phenotype Is the answer A??

Science

DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea

Biology

DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea

Biology

A preventive treatment to help avoid contracting a viral disease that cannot be treated with antibiotics is a A.DNA fingerprint. B.vaccine. C.transfer RNA. D.transgenic human genome.

science

Lisof a strand of the base sequence of a strand of RNA made using the DNA pattern ATCCGTC. Can you please help me

Biology

What is the role of Helicase in transcription? My textbook says RNA polymerase unzips the DNA during this process, so what does Helicase do?

Science plz help

Explain the basic parts of a major theme in molecular biology: the pathway of DNA to RNA to proteins. Include a general idea of what occurs at each stage

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 ...

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)...

Biology

5. Dideoxynucleosides are employed in the course of the Sanger process of DNA sequencing. Dideocynucleosides are used because a) They stop the synthesis of DNA strands b) They are fluoresce c) They are radioactive d) They move quicly during gel electrophoresis e) They ...

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?

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

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 ...

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 ...

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 ...

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 ...

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?

biology

amino acid is to protein as fat is to lipid DNA is to RNA sugar is to fat simple sugar is to starch

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?

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?

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?

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?

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?

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..?

Chemistry

The complementary base sequence in the RNA bound to a DNA strand with the base sequence shown below would be ____________________. -C-C-G-A-T-T- A) -G-G-C-T-A-A- B) -A-A-U-C-G-G- C) -C-C-G-A-T-T- D) -G-G-C-U-A-A-

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 ...

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 ...

AP Biology

Describe the production and processing of a protein that will be exported from a eukaryotic cell. Begin with the separation of the messenger RNA from the DNA template and end with the release of the protein at the plasma membrane. -in essay format not points please-

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 ...

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 ...

Science

The process in which the chromosomes in sex cells are reduced by half is called Answer choicesalleles, chromosome, incomplete dominance, mitosis, codominance, centromere, DNA, diploid, reproduce, phenotype, meiosis, RNA Is the asnwer mitosis?

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11