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  4. Capacitation refers to changes in the

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Q. Capacitation refers to changes in the

AIPMTAIPMT 2015Human Reproduction

Solution:

The secretions of the female genital tract remove coating substances deposited on the surface of the sperms particularly those on the acrosome. Thus, the receptor sites on the acrosome are exposed and sperm becomes active to penetrate the egg. This phenomenon of sperm activation in mammals is known i as capacitation.