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Question

___ is the enzyme that facilitates the entry of sperms into the egg.


A
make uterus unsuitable for implantation
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B
increase phagocytosis of sperms
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C
suppress sperm motility
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D
prevent ovulation
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Solution

The correct option is A make uterus unsuitable for implantation

When a sperm reaches the ovum, it is able to penetrate this layer with the assistance of the hyaluronidase enzymes secreted by the acrosome present at the top of the sperm. Once this occurs, the nucleus of the sperm combines with the nucleus of the egg.


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