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Human Reproduction

Question

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Describe the structure of mammalian sperm.

Solution

The mammalian sperm is covered by the plasma membrane all over . It is composed of the parts
(i) Head - It consists of a haploid nucleus which is covered anteriorly by a cap called acrosome. The acrosome has many enzyme with helps the sperm to digest the wall around egg and fertilize it.
(ii) Neck forms the juncture between head and the middle piece.
(iii) Middle piece contains numerous mitochondria which provide energy for the motility of sperm.
(iv)Tail is the posterior-most part of sperm.

Some More Questions From Human Reproduction Chapter

The process of differentiation of spermatid into a spermatozoa is known as :

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

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