Question

How is “lock and key” used to describe the action of enzymes? (1 point)
Responses

Enzymes have a shape that specifically fits the products, 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 reactants to enter cells.
Enzymes are able to create gaps in cell walls that allow reactants to enter cells.

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

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

Answer 1

Enzymes have a shape that specifically fits the reactants (substrates), like a key in a lock. This describes the active site binding the substrate.