Which component of DNA forms the backbone of the molecule?
A)Phosphate group
B)Nitrogenous base
C)Sugar
D)Both A and C

Name: Which component of DNA forms the backbone of the molecule? A)Phosphate group B)Nitrogenous base C)Sugar D)Both A and C
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Question

Quizplus · Accepted Answer

The backbone of DNA is formed by the phosphate groups and the sugar molecules (deoxyribose in DNA), which alternate in the structure. Nitrogenous bases attach to the sugar but are not part of the backbone.

Which Component of DNA Forms the Backbone of the Molecule