Hydrogen Base DNA bond 0 (double-stranded) NH..N H,co Deoxyribose o: sugar 0 NH.N Phosphate 0 0 NH+o o: group HN H2C NH·O H2C 5
Ribose 3.o RNA sugar 6 Base (single-stranded) G HiO Phosphodiester 0~P N linkages H,C Phosphate group H2co
(outside of cell membrane protein glycoprotein cholesterol phospholipid plasma I membrane (cytoplasm inside of cell)