Question

Question No. 22
• Sperm is called activated when it
bears
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Answer 1

Answer:

Mammalian sperm cells become even more active when they approach an egg cell in a process called sperm activation. Sperm activation has been shown to be caused by calcium ionophores in vitro, progesterone released by nearby cumulus cells and binding to ZP3 of the zona pellucida.

Explanation: