Which of the following is true for K strain for E. coli?

Question

Options:

A . It contains restriction-modification system which is encoded by hsDMRS locus

B . hsDR encodes for endonuclease which is responsible for cleaving the DNA sequence containing –AACGCNNTGC-

C . Cleavage is carried out when the second A is non methylated

D . hsDR mutation can be used for cleavage of incoming unprotected DNA

Answer: Option A
Answer: (a).It contains restriction-modification system which is encoded by hsDMRS locus

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