If telomerase enzymes are less active than usual, what medical condition will this cause?
Correct answer: B. Premature aging
- A. Cancer
- B. Premature aging
- C. Cardiovascular disorders
- D. Pneumonia
Explanation
Reduced telomerase activity results in faster telomere shortening, leading to cellular senescence and ultimately contributing to premature aging. This is because telomerase is responsible for maintaining telomere length during cell division. In contrast, cancer is usually associated with increased telomerase activity, allowing cells to divide indefinitely. Cardiovascular disorders may be linked to telomere shortening but are not directly a consequence of decreased telomerase activity. Pneumonia is unrelated to telomerase activity as it is an infectious condition affecting the lungs.
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