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Q.
Which of the following groups contain both DNA and RNA?
AMUAMU 1995
Solution:
: Bacteria and higher organisms have both RNA and DNA while viruses possess either RNA or DNA. For example, tobacco mosaic virus, poliomyelitis virus and $ MS2,\text{ }F2,\text{ }r17 $ bacteriophages have single stranded RNA. Adenovirus has double stranded DNA.