bio test help!?

Question

what is a phosphodiester group? what is the chemical makeup of the phosphate groups that join DNA and RNA, what is the difference between their chemical makeup (DNA and RNA) and what is the numbers (1-5) for each position??

Answer 1

phosphodiesters are groups that bond aminoacids together i proteins and DNA?

PO4-

Difference beteen chemical make up is that DNE is Deoxy, ie, has no Oxygen, and rne does have one oxygen more than DNA

The numbers 1-5 represent the carbon atom number on the sugar ring of the nucleotide