Respuesta :

Answer:

  1. Enzymes speed up the rate of a chemical reaction to help support life.
  2. But in Biochemical reactions , enzymes lower the activation energy of chemical reactions.

Note ;Activation energy is the energy needed to start a chemical reactio

Explanation:

Digestive enzymes which are secreted in the acidic environment which has a low pH of the stomach help break down proteins into smaller molecules. The main digestive enzyme in the stomach is pepsin.

Answer:

Speeds it up

Explanation: