Which one is a true statement regarding DNA polymerase used in PCR?

1. It is used to ligate introduces DNA in recipient cells

2. It serves as a selectable marker

3. It is isolated from a virus

4. It remains active at high temperatures

Subtopic:  Polymerase Chain Reaction: PCR |
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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.

1. A - Denaturation at a temperature of about 50ºC
2. C - Extension in the presence of heat-stable DNA polymerase
3. A - Annealing with two sets of primers
4. B - Denaturation at a temperature of about 98ºC separating the two DNA strands

Subtopic:  Polymerase Chain Reaction: PCR |
To view explanation, please take trial in the course below.
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Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology