Question

the \backbone\ of the dna molecule consists of what molecule(s)? select all that apply a phosphate b nitrogen bases c ribose d deoxyribose

Explanation:

The backbone of the DNA molecule is made up of alternating sugar (deoxyribose) and phosphate groups. Nitrogen - bases are attached to the sugar but are not part of the backbone. Ribose is the sugar in RNA, not DNA.

Answer:

a. phosphate, d. deoxyribose