Question

What happens in hypochromicity?

(a) When DNA is in bound form, there is decrease in absorption of UV light

(b) When DNA is in bound form, there is increase in absorption of UV light

(c) When DNA is in unbound form, it is more stable

(d) When DNA is in unbound form, there is decrease in absorption of UV light

This question was addressed to me during an interview for a job.

I want to ask this question from Nucleic Acid Chemistry in portion Nucleotides and Nucleic Acids of Biochemistry

Answer 1

The correct option is (a) When DNA is in bound form, there is decrease in absorption of UV light

The best explanation: It describes the decrease in absorbance of UV light in a double stranded DNA.