6.) How is "lock and key" used to describe the action of enzymes? (1 point)

Enzymes are able to create gaps in cell walls that allow reactants to enter cells.

Enzymes have a shape that specifically fits the reactants, like a key in a lock.

Enzymes have a shape that specifically fits the products, like a key in a lock.

Enzymes are able to create gaps in cell walls that allow products to leave cells.