nucleoside vs nucleotide compound differences comparison outline diagram

nucleoside vs versus nucleotide comparison pentose phosphate nitrogenous base explanation differences atom chemical chemistry organic science molecule acid illustration nucleus division biochemistry vector biology nitrogen pyrimidine ribose carbohydrate rna outline concept educational labeled diagram example both models structure deoxyribose bonding medical cancer cytidine uridine adenosine guanosine thymidine inosine covalent