The Cortical Reaction of Sea Urchin Eggs Functions Directly in the

Multiple Choice

The cortical reaction of sea urchin eggs functions directly in the

A) formation of a fertilization envelope.
B) production of a fast block to polyspermy.
C) release of hydrolytic enzymes from the sperm.
D) generation of an electrical impulse by the egg.
E) fusion of egg and sperm nuclei.