The sequence of subunits in the DNA ʺbackboneʺ is
A) -sugar-base-sugar-base-sugar-base-sugar-base-.
B) -phosphate-sugar-phosphate-sugar-phosphate-sugar-.
C) -base-phosphate-sugar-base-phosphate-sugar-.
D) -base-phosphate-base-phosphate-base-phosphate-.
E) -base-sugar-phosphate-base-sugar-phosphate-.

Question

Quizplus · Accepted Answer

The DNA backbone is composed of alternating sugar and phosphate groups, with the bases attached to the sugar. This makes option B correct, as it accurately represents the repeating pattern of phosphate and sugar in the DNA backbone.

The Sequence of Subunits in the DNA ʺBackboneʺ Is