Semen analysis indicates that the client's sperm have decreased motility. Which of the following cellular components may be defective within the client's sperm?
A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments
Ans: B
Feedback:
Abnormalities in the structure and function of microtubules and consequent dysfunction of the flagella may contribute to impaired sperm motility. Ribosomes, microfilaments, and mitochondria do not directly contribute to movement in cells such as cilia and flagella.
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