Which of the following statements is not true of viruses? – McqOptions

MCQOPTIONS

1.	Which of the following statements is not true of viruses?
A.	Viruses have been successfully grown in pure cultures in test tubes
B.	All viruses are obligatory intracellular parasites
C.	All viruses have either DNA or RNA as their genetic material
D.	Viruses probably arose from small fragments of cellular chromosomes
Answer» B. All viruses are obligatory intracellular parasites

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