In a melting profile for DNA, the absorbance at 260 nm increases as result of the disruption of the DNA structure. What is the fundamental physical basis for the absorbance increase

Ifound this on google “increases in temperature increase molecular activity, and can result in a higher rate of collisions between enzymes and substrates. if the temperature rises too high, however, the enzymes could become denatured, and the positive effects of the temperature increase could be nullified.” for more information go to the website below › i hope this you for what your looking for. can you plz mark me brainliest?

A. mitochondrion b. nucleus

Ithink the answer is d.