Question

multiple - choice question
what are enzymes? what is the relationship between the active site and the substrate?
the substrate fits into the active site
the enzyme fits into the active site
the active site fits into the substrate
rewatch

Explanation:

Enzymes are proteins that act as biological catalysts. The active - site is a specific region on the enzyme where the substrate binds. The substrate is the molecule upon which the enzyme acts, and it fits into the active - site like a key into a lock.

Answer:

The substrate fits into the active site