which two parts make up the \backbone\ of dna? phosphate groups deoxyri…

QUESTION IMAGE

$which two parts make up the \backbone\ of dna? phosphate groups deoxyri…$

Question

which two parts make up the \backbone\ of dna? phosphate groups deoxyribose sugar nitrogenous bases

Explanation:

Brief Explanations

The backbone of DNA is composed of alternating deoxyribose sugar and phosphate groups. Nitrogenous bases are attached to the sugar - phosphate backbone, not part of it.

Answer:

phosphate groups, deoxyribose sugar