Macromolecules (Part 3 - Nucleic Acid)

Question 1

What are the monomers of nucleic acid (DNA and RNA)

Answer 1

Nucleotides

Question 2

What are nucleotides made up of?

Answer 2

Nitrogen base
Pentose (5 carbon) sugar
Phosphate

Question 3

What does mRNA do?

Answer 3

directs the synthesis of protein through the process of translation
(the complementary code for proteins)

Question 4

What does tRNA do?

Answer 4

Acts as a delivery vehicle for amino acids in protein synthesis (translation)

Question 5

What does rRNA do?

Answer 5

makes up the structure of ribosomes

Question 6

How can purines and pyrimidines be differentiated?

Answer 6

Pyrimidines have one ring while Purines hove two rings

Question 7

Where do nucleotides connect?

Answer 7

The pentose sugar of one nucleotide connects to the phosphate of another

Question 8

What is the bond between both nitrogen bases in a DNA double helix

Answer 8

hydrogen bond

Question 9

How many hydrogen bonds are between “A and T” and “G and C”

Answer 9

2 hydrogen bonds between A and T

3 hydrogen bonds between “G and C”

Question 10

What nitrogen base is exclusive to RNA?

Answer 10

U - Uracil

Question 11

What nitrogen base is exclusive to DNA?

Answer 11

T - Thymine