MCQ
Which of the following is not a cell?
- ARed Blood Corpuscle $(RBC).$
- BBacterium.
- CSpermatozoa.
- ✓Virus.
Virus is an acellular microscopic infection-causing agent. It has only protein cover and a nucleic acid (either $DNA$ or $RNA$). These are intracellular parasites that depend upon the host for nutrition.
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