VMC-0087
QUESTION
Viral genome are made up of?
OPTIONS
(A) RNA only
(B) DNA only
(C) Either RNA or DNA but never both
(D) Both RNA and DNA
ANSWER
(C) Either RNA or DNA but never both
EXPLANATION
Animal viruses contain either DNA or RNA as their genome, but a single virion does not normally use both DNA and RNA as its genetic material. Thus option C is correct; 'RNA only' and 'DNA only' are each too restrictive, while both DNA and RNA together is not the standard genome organization of animal viruses.
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