BiomoleculesHard

Question

DNA synthesis can specifically measured by estimating the incorporation of radio labelled

Options

A.uracil
B.adenine
C.thymidine
D.deoxyribose sugar

Solution

DNA consists of deoxyribose sugar, phosphate molecules and nitrogenous bases-adenine, guanine, cytosine and thymine, whereas RNA consists of ribose sugar, phosphate molecules and nitrogenous bases-adenine, guanine, cytosine and uracil.
Thus, estimating the incorporation of radiolabelled thymine acn measure DNA synthesis and radiolabelled can measure RNA synthesis, as all other nitrogenous bases are similar in both DNA and RNA.

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