For DNA,a plot of the change in absorbance versus temperature would be ________,which indicates ________.
A)hyperbolic;a simple equilibrium between the native conformation and denatured DNA
B)linear;the breaking of bonds between the base pairs is an independent process
C)variable in shape (hyperbolic,linear or sigmoidal);the dependence of the denaturing process on the sequence of the DNA
D)sigmoidal;cooperativity where disruptions in the base stacking at one position destabilizes the stacking in neighboring base pairs

Question

Quizplus · Accepted Answer

The plot of change in absorbance versus temperature for DNA would be sigmoidal, which indicates cooperativity where disruptions in the base stacking at one position destabilize the stacking in neighboring base pairs. The shape of the plot is sigmoidal because the denaturing process is dependent on the sequence of the DNA.

For DNA,a Plot of the Change in Absorbance Versus Temperature