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30/07/2021 3:02 pm
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Which one of the following statements about viruses is correct?
(1) All viruses contain both RNA and DNA
(2) Nucleic acid of viruses is known as capsid
(3) Viruses are obligate parasites
(4) Viruses possess their own metabolic system
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30/07/2021 3:04 pm
(3) Viruses are obligate parasites