alleryWhy are viruses called obligate parasites?
AThey contain both DNA and RNA
BThey divide by binary fission
CThey multiply only inside host cells
DThey have a cellular nucleus
Answer & Solution
Correct answer: C. They multiply only inside host cells
Viruses multiply only inside living host cells, using host machinery. They are acellular nucleoprotein particles, with a protein capsid around a DNA or RNA genome, and are inert outside living cells.
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