the lock - and - key mechanism refers to\no the complementary shapes of an enzyme and a substrate.\no the…

the lock - and - key mechanism refers to\no the complementary shapes of an enzyme and a substrate.\no the attractive forces between an enzyme and a substrate.\no the ability of an enzyme to lower the activation energy of a reaction.\no the ability of an enzyme to “unlock” the products of a reaction.
Answer
Brief Explanations:
The lock - and - key model in biology describes how an enzyme's active site has a specific shape that is complementary to the shape of its substrate, like a lock and key fitting together.
Answer:
the complementary shapes of an enzyme and a substrate.