The   contains most of the cell’s genetic information, its dna, which orchestrates the structure and function of the cell.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.