(A) All RNA viruses (X)
(B) All DNA viruses (X)
(C) All retroviruses. ()
(D) All viruses (X)
Answers: Reverse transcriptase is present in All retroviruses.
(A) All RNA viruses (X)
(B) All DNA viruses (X)
(C) All retroviruses. ()
(D) All viruses (X)
Answers: Reverse transcriptase is present in All retroviruses.
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