The energy centre of sperm is:
Correct answer: C. Middle piece
- A. Head
- B. Entire sperm
- C. Middle piece
- D. Tail
Explanation
The middle piece of mammalian sperm cell possesses numerous mitochondria. These mitochondria are 25 to 30 in number which are spirally arranged. They produce energy for the movement of tail that facilitates sperm motility which is essential for fertilization. Thus, it is called the powerhouse of the sperm. The middle piece is the energy center of the sperm. For ref, head to KPK biology at page no. 155
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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