Question

how often can a catalase molecule be used to hydrolyze hydrogen peroxide?
multiple choice
never
twice
once
many times

Explanation:

Catalase is an enzyme. Enzymes are biological catalysts that can be used in reactions multiple times without being consumed in the process. They bind to substrates (like hydrogen - peroxide for catalase), facilitate the reaction, and then are released to bind to more substrate molecules.

Answer:

D. many times