Protein digesting enzymes are released from the sperm head when it binds to the ____.
A) secondary oocyte plasma membrane
B) follicle cells
C) corpus luteum
D) secondary oocyte protein layer
E) egg nucleus

Question

Protein digesting enzymes are released from the sperm head when it binds to the ____.​
A) ​secondary oocyte plasma membrane
B) ​follicle cells
C) ​corpus luteum
D) secondary oocyte protein layer​
E) egg nucleus​

Quizplus · Accepted Answer

Protein digesting enzymes are released from the sperm head when it binds to the secondary oocyte protein layer, which is known as the zona pellucida. This process is part of the acrosome reaction that facilitates sperm penetration into the oocyte.

Protein Digesting Enzymes Are Released from the Sperm Head When