Which of the following serves as an impenetrable barrier that prevents more than one sperm from fertilizing an egg?
A)the acrosome
B)the jelly coat of the egg
C)the sperm's plasma membrane
D)the vitelline layer

Question

Quizplus · Accepted Answer

The vitelline layer is a thick layer of glycoproteins and polysaccharides surrounding the egg cell that serves as an impenetrable barrier preventing more than one sperm from fertilizing the egg. Once a sperm has penetrated the vitelline layer and fused with the egg membrane, the vitelline layer becomes impenetrable to other sperm.

Which of the Following Serves as an Impenetrable Barrier That