Which one of the following events immediately | vedclass

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(A) Immediately upon the entry of a spermatozoan into an oocyte,the oocyte membrane undergoes a rapid change in its electrical potential,known as depo

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An increase in the permeability of the oocyte membrane

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(A) Immediately upon the entry of a spermatozoan into an oocyte,the oocyte membrane undergoes a rapid change in its electrical potential,known as depolarization. This change is associated with an increase in the permeability of the oocyte membrane to certain ions,which serves as a fast block to polyspermy. Therefore,the correct event is an increase in the permeability of the oocyte membrane.

Which one of the following events immediately follows the entry of a spermatozoan into an oocyte?

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