M.Sc. Bio-Physics (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

Practice Mode:
38.

The hyperchronic effect refer to:-

A: A change in the optical rotator dispersion (ORD) of a DNA solution upon heating.
B: A maximum rate of denaturation versus temperature for duplex DNA.
C: An increase in the absorbance of light at 260 mm when DNA-RNA hybrids are annealed
D: An increase in the absorbance of light at 260 mm upon denaturation of DNA.

The answer is: D