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Question

Biology Question on Structure of DNA and RNA

The successive nucleotides of RNA are covalently linked through:

A

hydrogen bonds

B

phosphodiester bonds

C

glycosidic bonds

D

none of these

Answer

phosphodiester bonds

Explanation

Solution

(a) The successive nucleotides of RNA and DNA are covalently linked through Phosphodiester bonds. (b) Glycosidic bonds present between sugar and nitrogenous bases. (c) Hydrogen bonds present between two nitrogenous bases. As A = T and G=C.