Nucleotides and Nucleic Acids

Question 1

purines

Answer 1

adenine, guanine

Question 2

pyrimidines

Answer 2

cytosine

uracil, thymine

Question 3

3 components of a nucleotide

Answer 3

a pentose ring, a purine or pyrimide base, and 1-3 phosphates

Question 4

nucleoside

Answer 4

a pentose ring, a purine or pyrimide base, and NOOO phosphates!

Question 5

what is more reactive, DNA or RNA?

Answer 5

RNA is more reactive than DNA and therefore less stable b/c of 2 prime OH.

Question 6

mRNA

Answer 6

codes for protein

Question 7

tRNA

Answer 7

RNA adapter molecule that serves as the physical link between the nucleotide sequence of nucleic acids (DNA and RNA) and the amino acid sequence of proteins.

Question 8

rRNA

Answer 8

RNA that forms the backbone of ribosomes

Question 9

regulatory RNA

Answer 9

regulates translation and signaling transduction

Question 10

functions of a nucleotides

Answer 10

1. energy
2. signaling
3. info transfer

Question 11

What characterizes primary structure of nucleotides?

Answer 11

phosphodiester bonds

Question 12

Secondary Nucleotide structure is based on?

Answer 12

Base hydrogen bonding