A mature sperm has
(a) a pair of flagella
(b) a nucleus, an acrosome and a centriole
(c) a nucleus, an acrosome, a pair of centrioles
(d) a nucleus, an acrosome, a pair of centrioles
and a tail
Answers
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The correct answer is b
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A mature sperm has a nucleus, an acrosome, a pair of centrioles and a tail.
Explanation:
- The structure of the sperm comprises of a head, a middle piece and a tail.
- The head of a sperm has the nucleus that has chromatin fibers and it is encapsulated by an acrosome in its anterior part.
- This acrosome contains some enzymes that is used to penetrate the eggs of the females.
- The middle piece has mitochondria that generates energy ATP, that is used for the transpiration of the sperm into uterus.
- The power for the moving of the sperm is given by the tail that has centrioles.
- Thus a matured sperm has a head, an acrosome and a pair of centrioles and a tail.
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