Question

what are the main steps of pcr?
1 after one cycle, dna molecules are doubled
2 denaturation of the dna at 94 to 98 oc
3 primer annealing at 55 to 65 oc
4 primer extension at 72 oc
question 7
the main role of pcr is to quickly make many copies of the same segment of dna.
true
false

Explanation:

PCR (Polymerase Chain Reaction) is a technique in molecular biology. Its main purpose is to amplify (make many copies of) a specific segment of DNA. This is widely used in various biological and medical applications such as genetic testing, forensic science, and research.

Answer:

True