Which statement accurately describes an enzyme?
An enzyme is used only once and increases the rate of a chemical reaction by raising the activation energy.
O An enzyme is used only once and increases the rate of a chemical reaction by lowering the activation energy.
An enzyme is reusable and increases the rate of a chemical reaction by raising the activation energy.
An enzyme is reusable and increases the rate of a chemical reaction by lowering the activation energy.

Respuesta :

Answer:

An enzyme is reusable and increases the rate of a chemical reaction by lowering the activation energy.

Explanation:

because enzymes are never destroyed they are used again and again

and lowering the activation energy increases the speed or rate of the chemical reaction