The covalent backbone of DNA and RNA consists of:
A) alternating phosphate groups and nitrogenous bases.
B) alternating phosphate groups and pentose residues.
C) alternating pentose residues and nitrogenous bases.
D) alternating pentose residues and cyclic nucleosides.
E) None of the answers is correct.

Question

Quizplus · Accepted Answer

The covalent backbone of DNA and RNA consists of alternating phosphate groups and pentose residues. The nitrogenous bases are attached to the pentose residues.

The Covalent Backbone of DNA and RNA Consists Of