MHT CET Biology question

Biology Molecular Basis of Inheritance MHT CET

Backbone of DNA molecule is formed by

(A)Alternate sugar sugar component joined by phosphodiester bondCorrect
(B)Alternate sugar sugar component joined by alternate glycoside bond
(C)Alternate sugar sugar component joined alternate peptide - sulphate bond
(D)Polypeptide linkage

Answer: (A)

Solution

The backbone consists of alternating sugar and phosphate units joined by phosphodiester bonds;

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Question ID VK-065348