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Viral Classification

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (7)

#1
Front (Question)

What kind of genome? What enzyme used to copy? Group I

Back (Answer)

ds DNA viruses use host DNA-dependent RNA polymerase

#2
Front (Question)

What kind of genome? What enzyme used to copy? Group II

Back (Answer)

(+) ss DNA viruses (+) DNA –> (-) DNA (template/compliment) –> (+) DNA copy

#3
Front (Question)

What kind of genome? What enzyme used to copy? Group III

Back (Answer)

ds RNA viruses has both strands = easier replication

#4
Front (Question)

What kind of genome? What enzyme used to copy? Group IV

Back (Answer)

(+) ss RNA viruses (+) ss RNA = mRNA –> (-) ss RNA (template) –> (+) ss RNA copy uses RNA-dependent RNA polymerase

#5
Front (Question)

What kind of genome? What enzyme used to copy? Group V

Back (Answer)

(-) ss RNA viruses (-) ss RNA = mRNA –> (+) ss RNA (template) –> (-) ss RNA copy uses RNA-dependent RNA polymerase

#6
Front (Question)

What kind of genome? What enzyme used to copy? Group VI

Back (Answer)

(+) ss RNA retroviruses use reverse transcriptase (RNA –> DNA) DNA copy integrates into host’s RNA reverse transcribing

#7
Front (Question)

What kind of genome? What enzyme used to copy? Group VII

Back (Answer)

ds DNA pararetroviruses (DNA –> RNA –> DNA) RNA intermediate DNA reverse transcribing