26.1.1 Proteins

Question 1

What are the structural units of proteins?

Answer 1

Amino acids

Question 2

Which of the following shows a primary structure for a protein?

Answer 2

Question 3

Which of the following is a catalyst in biochemical reactions?

Answer 3

Enzyme

Question 4

Which of the following elements would be found in the polar R group of a protein?

Answer 4

N

Question 5

What is the role of HIV protease in the replication of HIV?

Answer 5

It hydrolyzes amide bonds

Question 6

Which of the following is an amide functional group?

Answer 6

Question 7

Which of the following elements would be found in a non-polar R group?

Answer 7

C

Question 8

Which of the following best describes the general structure of an amino acid?

Answer 8

Amino acids have amino and carboxyl groups attached to R groups.

Question 9

Which of the following shows an α-helix structure for a protein?

Answer 9

blue helix

Question 10

What provides extra strength in the α-helix of a protein?

Answer 10

Hydrogen bonds form within the protein.