proteins and their functions

Question 1

what is the function of enzymes?

Answer 1

catalyze biochemical reactions

Question 2

what is the function of structural proteins?

Answer 2

provide physical stability and movement

Question 3

what is the function of defensive proteins?

Answer 3

recognize and respond to nonself substances (e.g., antibodies)

Question 4

what is the function of signaling proteins?

Answer 4

control physiological processes (e.g., hormones)

Question 5

what is the function of receptor proteins?

Answer 5

receive and respond to chemical signals

Question 6

what is the function of membrane transporters?

Answer 6

regulate passage of substances across cellular membranes

Question 7

what is the function of storage proteins?

Answer 7

store amino acids for later use

Question 8

what is the function of transport proteins?

Answer 8

bind and carry substances within the organism

Question 9

what is the function of gene regulatory proteins?

Answer 9

determine the rate of expression of a gene

Question 10

what is the function of motor proteins?

Answer 10

cause movement of structures in the cell