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DNA

Hina observed...

Question

Hina observed the solution of nucleic acid under the UV lamp at 260 nm to quantify

A

Number of hydrogen bonds

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B

Number of nitrogen bases

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C

Number of sulfide bond

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D

Number of phosphodiester bond

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Solution

The correct option is B Number of nitrogen bases
The concentration of an RNA or DNA sample can be checked by the using UV spectrophotometry. The nitrogenous bases in nucleotides have an absorption maximum at about 260 nm. Thus DNA has an absorption maxima at 260nm.
So, the correct answer is 'Number of nitrogen bases'

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