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BIO NMDCAT Viruses
nmdcat.online June 25, 2026

The characteristic feature shared by all viruses is

A. Independent metabolism
B. Presence of DNA only
C. Obligate intracellular parasitism
✓
D. Cellular organization

📝 Explanation

Viruses can reproduce only inside living host cells because they lack independent metabolic machinery.

📖 Additional Information

  • Independent metabolism
  • Presence of DNA only
  • Obligate intracellular parasitism
  • Cellular organization

Viruses can reproduce only inside living host cells because they lack independent metabolic machinery.

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