Which term describes the membrane-bound structure at the front of the sperm head that contains enzymes used to penetrate the zona pellucida?

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Multiple Choice

Which term describes the membrane-bound structure at the front of the sperm head that contains enzymes used to penetrate the zona pellucida?

Explanation:
The acrosome is the membrane-bound cap over the front portion of the sperm head that stores enzymes used to digest the zona pellucida. When the sperm encounters the zona pellucida, the acrosome reaction releases these enzymes, allowing the sperm to breach the zona pellucida and reach the oocyte membrane. This acrosome sits at the tip of the head, distinct from the flagellum that powers movement, the nucleus that carries genetic material, and mitochondria that provide energy for motility.

The acrosome is the membrane-bound cap over the front portion of the sperm head that stores enzymes used to digest the zona pellucida. When the sperm encounters the zona pellucida, the acrosome reaction releases these enzymes, allowing the sperm to breach the zona pellucida and reach the oocyte membrane. This acrosome sits at the tip of the head, distinct from the flagellum that powers movement, the nucleus that carries genetic material, and mitochondria that provide energy for motility.

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