Question

27. Which statement best describes enzymes?

1) They slow down the rate of breathing
2) They are the building blocks of polymors.
3) They speed up the conducton of impulsos along
a norve celi.
4) They influence the rate of chemical reactions.

Answer 1

The answer is 4.

Enzymes catalyze reactions and increase their rates by lowering the activation energy of the reactions.

Answer 2

The answer is 4) they influence the rate of chemical reactions