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Which of the following is true about restriction endonucleases?

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Which of the following is true about restriction endonucleases?

(a) Type I and II requires ATP to move along DNA

(b) Type I, II and III requires ATP to move along DNA

(c) Type II requires no ATP and cleaves DNA within recognition sequence

(d) Type II requires ATP and cleaves DNA within recognition sequence

The question was posed to me in an internship interview.

This is a very interesting question from DNA Cloning: The Basics-1 in portion DNA-Based Information Technologies of Biochemistry

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Correct answer is (c) Type II requires no ATP and cleaves DNA within recognition sequence

Easy explanation: Type I and III requires ATP to move along DNA.

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