The backbone or sides of a DNA helix consists of

Name: The backbone or sides of a DNA helix consists of
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Question

Quizplus · Accepted Answer

The sides or backbone of a DNA helix are made up of a sugar-phosphate chain, specifically deoxyribose sugar and phosphate molecules that are connected by phosphodiester bonds. The nitrogenous base pairs (adenine, thymine, guanine, and cytosine) are attached to the sugar molecules and project inward, forming the rungs or steps of the helix. Therefore, choice B is the correct answer.

The Backbone or Sides of a DNA Helix Consists of