Nucleic acid

Question 1

DNA molecule is…

Answer 1

a polymer made up of many monomers called nucleotides

Question 2

A nucleotide in DNA is composed of

Answer 2

a sugar, which links to a phosphate and to a nitrogen base

Question 3

types of bases

Answer 3

A (adenine)
T (thymine)
G (guanine)
C (cytosine)
U Uracil (in RNA only)

Question 4

To form one long chain, the phosphate of one nucleotide bonds to the ________ of the next nucleotide.

Answer 4

sugar

Question 5

The long chain backbone of DNA are made up of

Answer 5

sugar and phosphate

Question 6

A DNA molecule is made up of

Answer 6

2 different strands of polynucleotide

Question 7

The nitrogen bases pair with bases that are

Answer 7

complementary

Question 8

How many bases code for a specific amino acid

Answer 8

3

Question 9

The unique shape of protein is due to

Answer 9

different sequence of amino acids in a polypeptide

Question 10

mRNA

Answer 10

Messenger RNA
Encodes proteins

Question 11

tRNA

Answer 11

Transfer RNA
Acts as adaptor between mRNA and amino acids