The second step of PCR technique is:
Correct answer: B. Cooling for two minutes and adding primer
- A. Heating DNA for one minute to denature
- B. Cooling for two minutes and adding primer
- C. Addition of DNA polymerase and waiting for 1.5 minutes
- D. Recycling
Explanation
The second step of PCR is annealing, where the reaction is cooled so primers can bind to the single-stranded DNA.
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