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PTECH Microbiology QUESTION #3280
Question 1
Viruses are considered 'Obligate Intracellular Parasites' because:
  • They are very small
  • They can only replicate inside a living host cell✔️
  • They contain both DNA and RNA
  • They are made of cells
Correct Answer Explanation
Viruses lack metabolic machinery and must hijack a host cell to reproduce.