The cortical reaction of sea urchin eggs functions directly in ________.
A) the formation of a fertilization envelope
B) the production of a fast block to polyspermy
C) the release of hydrolytic enzymes from the sperm
D) the generation of an electrical impulse by the egg

Question

Quizplus · Accepted Answer

The cortical reaction of sea urchin eggs causes the release of cortical granules that form the fertilization envelope, which functions to physically block polyspermy by hardening the extracellular matrix surrounding the egg.

The Cortical Reaction of Sea Urchin Eggs Functions Directly in ________