A)is outside of the fertilization membrane.
B)releases calcium, which initiates the cortical reaction.
C)has receptor molecules that are specific for binding acrosomal proteins.
D)is first visible only when organogenesis is nearly completed.
E)is a mesh of proteins crossing through the cytosol of the egg.

A)the acrosomal reaction and the formation of egg white.
B)the cortical reaction and the formation of yolk protein.
C)the jelly coat of the egg and the vitelline membrane.
D)membrane depolarization and the cortical reaction.
E)inactivation of the sperm acrosome.

A)acrosomal reaction.
B)completion of spermatogenesis.
C)initial cleavage.
D)activation of the egg.
E)completion of gastrulation.