How do enzymes allow chemical reactions to occur at body temperature?

Question

Answer options with 4 options
A.
by increasing the rate of reaction

B.
by producing the products of the reaction

C.
by releasing heat energy required for the reaction

D.
by lowering the activation energy to start the reaction

Answer 1

D. by lowering the activation energy to start the reaction

Answer 2

What is one function of proteins in a cell?

Answer options with 4 options
A.
Proteins supply immediate energy.

B.
Proteins store genetic information.

C.
Proteins regulate chemical reactions.

D.
Proteins are stored for future energy use.

Answer 3

C. Proteins regulate chemical reactions.