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Restriction Enzyme

Which one of ...

Question

Which one of the following enzyme cuts the DNA within the specific positions?

A

Exonuclease

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B

Alkaline phosphatase

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C

Restriction endonuclease

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D

Reverse transcriptase

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Solution

The correct option is C Restriction endonuclease
Restriction endonucleases recognize specific sequences in the DNA and cut the DNA into fragments.
Each restriction endonuclease has a specific restriction site; cuts at specific sites produce uniform DNA fragments with sticky or blunts ends that are easily ligated with other DNA strands.
Hence, the correct answer is C.

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Similar questions

Q. Read the following statements and select the correct ones.

(i) The same kind of sticky ends are produced when DNA has been cut by different restriction enzymes.

(ii) Exonucleases make cuts at specific positions within the DNA.

(iii) Hind II was the first restriction endonuclease to be isolated.

(iv) A bacteriophage can replicate within bacterial cells by integrating its DNA with bacterial DNA.

(v) The presence of more than one recognition site for an enzyme within the vector complicates the gene cloning.

Q. Which of the following enzymes cut the DNA molecule at specific nucleotide sequence?

Q. Read the following statements and select the correct ones.
(i) Same kind of sticky ends are produced when a DNA is cut by different restriction enzymes.
(ii) Exonucleases make cuts at specific positions within the DNA.
(iii) Hind II was the first restriction endonuclease to be isolated.
(iv) A bacteriophage has the ability to replicate within bacterial cells by integrating its DNA with bacterial DNA.
(v) Presence of more than one recognition site for the same restriction enzyme within the vector complicates gene cloning.

Q. Reverse transcriptase is the enzyme which makes

Q. Which one of the following reactions is catalyzed by the enzyme reverse transcriptase?

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