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Biology - Topic 3 > Fertilisation > Flashcards

Fertilisation Flashcards

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1
Q

Acrosome reaction

A

the acrosome swells, fusing with the sperm CSM so the digestive enzymes leave by exocystosis and digest the follicle cells and zona pellucida. sperm CSM and egg CSM fuse together and sperm nucleus enters egg cell

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2
Q

cortical reaction

A

cortical granules fuse with egg CSM and release enzymes which harden the zona pellucida to prevent poly-sperming

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Biology - Topic 3 (8 decks)

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