Question

Choose the incorrect statement with respect to dam and dcm genes?

a.

Their enzymes are responsible for methylation of DNA

b.

Dam protein methylates cytosine in –GATC-

c.

Dcm methylates cytosine in-CCAGG- and –CCTGG- sequences

d.

The extent of methylation also has effects on the efficiency with which the other restriction enzymes cleave the DNA in vitro

Answer: (b).Dam protein methylates cytosine in –GATC-

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Q. Choose the incorrect statement with respect to dam and dcm genes?

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