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Which one is a true statement regarding ...

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

A

It is used to ligate introduction DNA in recipient cells

B

It serves as a selectable marker

C

It is isolated from a virus

D

It remains active at high temperature

Text Solution

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The correct Answer is:
d
PCR is used to amplify a DNA segment or to synthesise in vitro the multiple copies of gene (DNA) of interest, using two sets of primers and the enzyme DNA polymerase. This enzyme is isolated from a bacteria. Thermus aquaticus and it remains active during the high temperature, but high temperature induces denaturation of double-stranded DNA.
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ARIHANT NEET-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-Chapter exercises (C. Medical entrances gallery (Collection of Questions Asked in NEET & Various Medical Entrance Exams))
  1. PCR and restriction Fragements length Polymorphism are the methods for

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  2. A single strand of nucleic acid tagged with a radioactive molecule is ...

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

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  4. When bacterial chromosome is attached to plasmid, this is called

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  5. Cohen and Boyer isolated an antibiotic resistance gene, by cutting out...

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  6. Restriction enzyme Eco RI cuts the DNA between bases G and A only when...

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  7. A mixture containing DNA fragments a, b, c and d with molecular weigth...

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  8. Cloning gene is process where:

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  9. Enzyms that cleaves nucleic acids within the polynucleotide chain is k...

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  10. The restriction enzyme(s) used in recombinant DNA technology that make...

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  11. The source of Taq polymerase used in PCR is a :

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  12. A clone is a

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  13. The organism which is used for gene transfer in higher organism is :

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  14. There is a restriction endonuclease called EcoRI. What does 'co' part ...

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  15. Gene amplification using primers can be done by :

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  16. Which of the following is correctly matched ?

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  17. Alec Jeffreys developed the DNA fingerprinting technique. The probe he...

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  18. Which of the following statements is not true for a clone ?

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  19. Which one of the following techniques has helped to solve many mysteri...

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  20. A kind of Biotechnology involving manipulation of DNA is

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