Sperm enzyme dissolves egg

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Question on Human Reproduction

During fertilization, a sperm must first fuse with the plasma membrane and then penetrate the female egg in order to fertilize it. Fusing to the egg usually causes little problem, whereas penetrating through that this binding is what triggers the acrosome to release the enzymes that allow the sperm to fuse with the egg.

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The zona pellucida helps protect the egg and is responsible for mediating the initial meeting of sperm and egg. Cortical granules filled with enzymes line the.

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Acrosome reaction

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Description:The process of union of a haploid male gamete or sperm with a haploid female gamete or ovum to form a diploid cell, the zygote, is called fertilization. In man fertilization is internal external in case of frog as in other mammals. It takes place usually in the ampulla of the fallopian tube. Male discharges the semen into the vagina of the female during copulation coitus. From the vagina, the sperms reach the ampulla partly by the movement of their tails and partly by the action of uterus. The sperms present in the semen travel a long way from vagina through the uterus into the fallopian tube.

Views: 3545 Date: 2018-04-17 Favorited: 37 favorites

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