If the sperm and egg are of the same species, ______, a species-specific protein located on the _______, adheres to receptors located on the egg's ________.
A) acrosomin; acrosome; jelly coat
B) bindin; acrosome; vitelline membrane
C) bindin; acrosome; zona pellucida
D) acrosomin; zona pellucida, jelly coat
E) bindin, head, vitelline membrane

Question

Quizplus · Accepted Answer

Bindin, a species-specific protein located on the acrosome, adheres to receptors located on the egg's vitelline membrane. This process is crucial for the sperm of many species, especially sea urchins, to recognize and fuse with their own species' eggs.

If the Sperm and Egg Are of the Same Species