A) sperm before fertilization
B) ovum before fertilization
C) ovum after fertilization
D) sperm after fertilization
Correct Answer: A
Solution :
Capacitation refers to activation of sperm cells before fertilization. It involves reorganization of molecules in the outer membrane of sperm head. Capacitated sperm releases enzymes from their acrosomes to penetrate the cells and zona pellucida surrounding the egg.
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