BIOLOGY
JAMB 2005 - Question 2
Biology 2005 JAMB Past Questions - Question 2: Which of the following is likely to have a higher concentration of mitochondria?
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
A
Explanation
The middle portion of a sperm cell has a lot of mitochondria containing respiratory enzymes that generate a lot of energy. The energy powers the sperm to swim to the oviduct. This act of swimming of sperm to the oviduct is labourous and therefore requires a lot of energy. The egg cell is released by the ovary which is close to the fallopian funnel and it enters the fallopian tube as a result of the beating of cilia lining the funnel. Thus it requires little energy for it's movement.
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