HomeTestsSearchRankProfile
hardMCQBiologyBiology
4 marks (−1)

The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification?
image

  1. A
    A – Annealing with two sets of primers
  2. B
    B – Denaturation at a temperature of about
  3. C
    A – Denaturation at a temperature of about
  4. D
    C – Extension in the presence of heat stable DNA polymerase

Solution & Step-by-step Explanation

Getty ImagesThe three steps of PCR are:A. Denaturation: High temp () to separate strands.B. Annealing: Lower temp to attach primers.C. Extension: Using Taq polymerase at to synthesize new strands.

Practice this question

Try it yourself before checking the explanation above.

The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification?
image
A
A – Annealing with two sets of primers
B
B – Denaturation at a temperature of about
C
A – Denaturation at a temperature of about
D
C – Extension in the presence of heat stable DNA polymerase

Share This Question

BiotechnologyPCR

Related Questions

mediumMCQ

The main organelle involved in modification and routing of newly synthesized proteins to their destinations is :

mediumMCQ

There are two opposing views about origin of Modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variations of DNA however suggested African origin of Modern man. What kind of observation on DNA variation could suggest this ?

easyMCQ

The world's highly prized wool yielding 'Pashmina' breed is :

mediumMCQ

Grey crescent is the area :

mediumMCQ

Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :

hardMCQ

Which one of the following statements is correct with respect to salt water balance inside the body of living organisms?

Ready for a Full Test?

Practice with timed mock tests and track your performance across Biology.

Browse TestsLeaderboard

Discussion