Question

Which statement about enzymes is true?

Answer 1

They are large molecules that decrease the rate of reactions in the body.
They are large molecules that increase the rate of biologically important reactions.
They slow the rate of chemical reactions.
They are permanently changed in the course of a reaction.

Answer 2

This question is not very well formulated.
the most probable answer will be
They are large molecules that increase the rate of biologically important reactions.