Question

Which of the following is not true for type 1 restriction endonuclease?

a.

It is a single enzyme with 3 subunits

b.

Using it is an energy requiring process

c.

Methylation and cleavage occurs in the same sequence

d.

The cleavage is up to 1000 bp away

Answer: (c).Methylation and cleavage occurs in the same sequence

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Q. Which of the following is not true for type 1 restriction endonuclease?

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