Which statement best describes the arrangement of components in a DNA molecule?
A)Nucleotides are located toward the outside of the strands and phosphates toward the interior.
B)Nucleotides are located toward the inside of the strands and the phosphates toward the outside.
C)Nucleotides,as well as the phosphates,are located toward the inside of the strands.
D)Nucleotides,as well as the phosphates,are located toward the outside of the strands.

Question

Quizplus · Accepted Answer

The arrangement of components in a DNA molecule is such that the nucleotides (which consist of a sugar molecule, a nitrogenous base, and a phosphate group) are located toward the inside of the strands, while the phosphate groups are toward the outside. This creates a backbone of alternating sugar and phosphate molecules on the outside, with pairs of nitrogenous bases (which form the "rungs" of the DNA ladder) connecting the two strands in the middle.

Which Statement Best Describes the Arrangement of Components in a DNA