Posted: July 25th, 2017

When double-stranded DNA is heated at neutral pH, which change does not occur?

When double-stranded DNA is heated at neutral pH, which change does not
occur?
A. The absorption of ultraviolet (260nm) light increases.
B. The covalent N-glycosidic bond between the base and the pentose
breaks.
C. The hydrogen bonds between A and T break.
D. The viscosity of the solution decreases.
E. The helical structure unwinds.