Which one of the following makes use of RNA as a template to synthesize DNA [CBSE PMT 2005]
A) Reverse transcriptase
B) DNA dependant RNA polymerase
C) DNA polymerase
D) RNA polymerase
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Answer: The correct answer is - A) Reverse transcriptase.
Reverse transcriptase is an enzyme that is used to synthesize complementary DNA by using a template of RNA. This process is called as reverse transcription and it is used by retrovirus in order to replicate their genome.
On the contrary, option B) ( also called RNA polymerase) is used for making mRNA from DNA template, C) is used in replication of DNA.
Thus, option A) is the right answer.
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