Question

The lock-and-key mechanism refers to
O the complementary shapes of an enzyme and a substrate.
O the attractive forces between an enzyme and a substrate.
© the ability of an enzyme to lower the activation energy of a reaction.
O the ability of an enzyme to
*unlock" the products of a reaction.

Answer 1

Answer:

I think the answer is A.  the complementary shapes of an enzyme and a substrate.

Explanation:

I hope this helps! Correct me if I am wrong.