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Which one of the following makes use of RNA as a template to synthesize DNA?

1. DNA polymerase
2. RNA polymerase
3. Reverse transcriptase
4. DNA dependent RNA polymerase

Correct answer: Reverse transcriptase

Solution

Reverse transcriptase is the enzyme that synthesizes DNA using an RNA template, a hallmark of retroviruses. The other enzymes listed either copy DNA, make RNA from DNA, or are not involved in RNA-to-DNA synthesis.

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