Q. Define
denatuaration & melting of DNA?
Ans: The
hydrogen bonds that hold the two strands of a double
helix together can be broken with an increase
in temperature or on treatment with alkali. When all the hydrogen bonds holding
together the strands are broken, the strands get separated. This process is
called “denaturation” or if the separation is caused by a change in
temperature, then called as melting.
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