Multiple choice

Which of the following enzymes is highly useful in polymerase chain reaction (PCR)?

  1. RNA polymerase

  2. DNA polymerase

  3. Restriction endonuclease

  4. Reverse transcriptase

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DNA polymerase is not used in PCR. It is used to produce stranded DNA from DNA.