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DNA Structure and Replication - Medical Science

Q1:

What is the range of melting point temperatures (Tm) for most DNA molecules?

A 50 to 60°C

B 60 to 80°C

C 70 to 90°C

D 80 to l00°C

ANS:B - 60 to 80°C

Denaturation of DNA should be in around 90 to 100 because its a reversible process low temp Denaturation gives further recombination to produce duplex.