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Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes1 Mark
MCQ
The correct sequence of different steps of polymerase chain reaction is:
  • A
    Annealing denaturation extension
  • B
    Denaturation extension annealing
  • ✓
    Denaturation annealing extension
  • D
    Extension denaturation annealing
✓

Answer

Correct option: C.
Denaturation annealing extension
Polymerase chain reaction is a technique used to replicate a fragment of $\text{DNA}$ so as to produce many copies of a particular $\text{DNA}$ sequence. A single $\text{DNA}$ amplification cycle involves three basic steps: denaturation, annealing and extension $($polymerisation$).$

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