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1. which of the following occurs during reverse transcription polymerase chain reaction?
- A. Used to amplify DNA
- B. Used to amplify DNA
- C. Used to amplify DNA
- D. Used to amplify DNA
Answer: Option B
Explanation:
Reverse Transcription PCR First, the enzyme reverse transcriptase uses the mRNA template to produce a complementary single - stranded DNA strand called cDNA in a process known as reverse transcription. Next, DNA polymerase is used to convert the single - stranded cDNA into double - stranded DNA.
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