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Its question 15 that I need answered and an explanation likely to interact with

ID: 201346 • Letter: I

Question

Its question 15 that I need answered and an explanation

likely to interact with site II. A) Photolyase; a histone A restriction enzyme; MutL2MutS2 DNAP polymerase; a restriction enzyme D) MutL MutS2: DNAP polymerase (15) Sequence-specific binding of a restriction enzyme to DNA is determined by: A) hydrogen bonding and also allows binding to other B) hydrogen bonding and prohibits binding to any other C) stacking interactions and could be mimicked using an D electrostatic attraction to the phosphate backbone sequences sequences intercalating agent

Explanation / Answer

Ans 15 ( D )

Restriction enzyme : the enzyme is a nuclease which recognises a particular palindromic DNA sequence and degrades the same. Restriction endonucleases cut DNA at specific sites called recognition sequence , it stick to that and cuts each of the two strands of double helix at specific points through their sugar - phosphate backbone.