Capacitation occurs in

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(C) The correct answer is $C$. Capacitation is the physiological maturation process that spermatozoa undergo within the $female$ $reproductive$ $tract

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female reproductive tract

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(C) The correct answer is $C$. Capacitation is the physiological maturation process that spermatozoa undergo within the $female$ $reproductive$ $tract$. During this process, secretions from the female genital tract remove coating substances (such as cholesterol and glycoproteins) deposited on the surface of the sperm, particularly over the acrosome. This removal exposes the receptor sites on the acrosome, which allows the sperm to bind to the zona pellucida of the egg and become active enough to penetrate it. Therefore, capacitation is essential for fertilization and occurs only after the sperm enters the female reproductive system.

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