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




[2012M]

  • a)
    C - Extension in the presence of heat stable DNA polymerase.

  • b)
    A - Denaturation at a temperature of about 50°C.

  • c)
    A - Denaturation at a temperature of about 98°C separating the two DNA strands.

  • d)
    B - Annealing with two sets of primers.

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The figure below shows three steps (A, B, C) of Polymerase Chain React...
PCR or polymerase chain reaction is the technique employed for the amplification of the gene of interest. The image shows 3 steps of the PCR cycle, namely denaturation, annealing, and extension. Part A represents the step of denaturation, where the dsDNA is divided into two ssDNA under high temperature. For denaturation to occur, an approximate temperature of 90-92oC is required.


Whereas, part B represents the attachment of short oligonucleotide sequences called primer by a process called annealing and part C represents the extension of the DNA segment by the addition of nucleotides by the action of the thermostable polymerase called Taq polymerase. 
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Most Upvoted Answer
The figure below shows three steps (A, B, C) of Polymerase Chain React...
As clearly part C of PCR is not mentioned in the question so without proper display it will create confusion
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The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?[2012M]a)C - Extension in the presence of heat stable DNA polymerase.b)A - Denaturation at a temperature of about 50°C.c)A - Denaturation at a temperature of about 98°C separating the two DNA strands.d)B - Annealing with two sets of primers.Correct answer is option 'C'. Can you explain this answer?
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The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?[2012M]a)C - Extension in the presence of heat stable DNA polymerase.b)A - Denaturation at a temperature of about 50°C.c)A - Denaturation at a temperature of about 98°C separating the two DNA strands.d)B - Annealing with two sets of primers.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?[2012M]a)C - Extension in the presence of heat stable DNA polymerase.b)A - Denaturation at a temperature of about 50°C.c)A - Denaturation at a temperature of about 98°C separating the two DNA strands.d)B - Annealing with two sets of primers.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?[2012M]a)C - Extension in the presence of heat stable DNA polymerase.b)A - Denaturation at a temperature of about 50°C.c)A - Denaturation at a temperature of about 98°C separating the two DNA strands.d)B - Annealing with two sets of primers.Correct answer is option 'C'. Can you explain this answer?.
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