Which of the following statements is not true of viruses?

Question

Options:

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: Option A
Answer: (a).Viruses have been successfully grown in pure cultures in test tubes

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