The sperm produces substances of enzymatic nature of sperm lysins. In mammals it is called

Hyaluronidase

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Androgamone

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Cryanogamone

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None of the above

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Solution

The correct option is A Hyaluronidase
Ovum is surrounded by multiple layers of granulosa cells known as corona radiata.
Sperm enters ovum by penetrating these multiple layers.
Hyaluronidase and proteolytic enzymes present in acromosme of sperm help in this penetration of sperm.
So, the correct option is 'Hyaluronidase'.

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