DEOXYRIBONUCLEIC ACID

a description of the molecular shape of a double-stranded DNA molecule

the basic building block of nucleic acids

the basic physical and functional unit of heredity

a usually round part of most cells that is enclosed in a double membrane

a type of purine

a vitamin C12H17N4OSCl of the vitamin B complex

a purine base C5H5N5O

a pyrimidine base C4H5N3O

the smallest unit that can live on its own

containing nitrogen in chemical combination

a sugar derived from ribose by replacement of a hydroxyl group by hydrogen

a salt or ester of a phosphoric acid.

the process by which genetic information is passed on from parent to child