Assertion : Plasmids are extrachromosomal $DNA$.
Reason : Plasmids are found in bacteria and are useful in genetic engineering.

  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.

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Similar Questions

$A$: Restriction enzymes belong to a larger class of enzymes called nucleases.
$R$: Each restriction enzyme recognizes a specific palindromic nucleotide sequence in the $DNA$.

Given below are two statements :-
Statement-$I$ : Restriction endonucleases recognize specific sequences to cut $\text{DNA}$ known as selectable nucleotide sequences.
Statement-$II$ : Restriction endonucleases cut the $\text{DNA}$ strand a little away from the centre of the palindromic site.
In the light of the above statements,choose the most appropriate answer from the options given below :-

Which of the following is not a selectable marker?

Which one is used as a vector in genetic engineering?

The second part of the name of a restriction endonuclease is derived from the:

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