There are enzymes located in the acrosome that enables a sperm to tunnel its way through the
A)blastula to the egg's plasma membrane.
B)zona pellucida to the egg's plasma membrane.
C)archenteron to the egg's plasma membrane.
D)allantois to the egg's plasma membrane.
E)chorion to the egg's plasma membranE.

Question

Quizplus · Accepted Answer

The zona pellucida is a thick glycoprotein layer that surrounds the plasma membrane of the egg. The enzymes in the acrosome of the sperm allow it to tunnel its way through this layer and reach the egg's plasma membrane. The other options listed are not relevant to fertilization in mammals.

There Are Enzymes Located in the Acrosome That Enables a Sperm