Practice Quiz

MCAT Biology

Category - Biology

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Which of the following statements explains why viruses are able to reproduce only inside host cells instead of being able to reproduce on their own?
  1. Viruses cannot function at temperatures other than 98.6°F
  2. Viruses lack spindle fibers that correctly align chromosomes for division.
  3. Viruses are too small to effectively make copies of themselves on their own.
  4. Viruses lack the cellular machinery needed to make copies of their genetic material.
Explanation
Answer: D - Viruses lack the cellular machinery needed to make copies of their genetic material.
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