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Which of the following statements regarding the sperm structure is true?
The genetic function of the sperm is embodied in the neck segment.
The middle piece of the sperm contains two important enzymes - hyaluronidase and zona Lysin
The head of the sperm consists of the mitochondrial sheath and the outer ring of coarse fibers.
The tail of the sperm is made up of cytoplasmic projections that aid in motility.
Answers (1)
The tail of the sperm, also known as the flagellum, is responsible for providing motility to the sperm. It is composed of a long, whip-like structure made up of microtubules and surrounded by cytoplasmic projections. These cytoplasmic projections, called dynein arms, play a crucial role in the movement of the sperm by generating the bending motion of the flagellum. Therefore, the correct answer is Option 4 - The tail of the sperm is made up of cytoplasmic projections that aid in motility.
Explanation of incorrect options,
Option 1 is incorrect because the genetic material of the sperm is contained within the head region, not the neck segment.
Option 2 is incorrect because the middle piece of the sperm contains energy-producing mitochondria, not enzymes like hyaluronidase and zona lysin.
Option 3 is also incorrect because the head of the sperm contains the genetic material (nucleus) and is not composed of a mitochondrial sheath and an outer ring of coarse fibers.
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