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Assertion (A) : DNA polymerase alpha syn...

Assertion (A) : DNA polymerase alpha synthesizes primers.
Reason (R) : DNA polymerase requires a free 3' OH to initiate DNA synthesis.

A

Assertion is true and Reason is correct explanation of Assertion.

B

Assertion and Reason is true but Reason is not correct explanation of Assertion.

C

Assertion is true and Reason is false.

D

Both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
a
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Knowledge Check

  • The enzyme DNA polymerase was discovered by

    A
    Kornberg
    B
    Okazaki
    C
    Watson and Crick
    D
    Stahl and Meselson

  • Which one is true state regarding DNA polymerase used in PCR?

    A
    It is used to ligate introduced DNA in recipient cells.
    B
    It serves as selectable marker
    C
    It is isolated from a virus.
    D
    It remains active at high temperature.

  • Assertion (A) : Genophore is noticed in prokaryotes. Reason (R): Bacteria possess circular DNA without chromatin organisation.

    A
    (a) Both A and R are correct
    B
    (b) A is correct R is incorrect
    C
    (c) R explains A
    D
    (d) A is incorrect R is correct

    • Similar Questions

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    Why are RNA primers required for DNA replication?

    The first DNA Polymerase enzyme was isolated from the bacteria is

    Assertion (A) : DNA and RNA molecules are found in the molecules of the cell . Reason (R) : On heating enzyme do not lose their specific activity .

    Assertion (A) : Endonuclease catalyeses the cleavage of DNA at internal position . Reason (R) : Endonulease is an enzyme produced by bacteria .

    Assertion (A) : Capping protect the DNA from degradation. Reason (R) : Capping is followed by Tailing where 3' end of tRNA is cleaved.

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