cytosine, thymine, adenine, uracil, nucleotide, dimer, alanine, pyrimidine, tetramer, chromophore, histidine, dinucleotide, endonuclease, thymidine, alkyl, cytochrome, disulfide, porphyrin, guanosine, transferase, serine, amide, ribonucleotide, methyl, molecule, phospholipid, adduct, atpase, triphosphate, valine, moieties, centromeres, chromatid, reductase, cytidine, synthetase, quinone, codon, glycoproteins, trna, cysteine, tyrosine, lyase, helices, polypeptide, epoxide, isoleucine, divalent, ganglioside, pyrophosphate, avidin, alkynes, transmembrane, ribonuclease, acetylation, homologues, cooh, amino acid, peroxidase, carboxylic acid, bilayer, dnase, phosphoprotein, cofactor, dehydrogenase, methylated, secretase, amino, flavin, anion, glycolipid, dimethyl, carbon atom, intron, glycolipids, bile acid, carboxyl, phenanthrene, carboxylate, thiol, erythrocytes, imidazole, alkene, heterochromatin, glycine, exonuclease, plasminogen, threonine, glomerulus, icosahedral, tubule, globin, substituents, dipeptide, thiols, disaccharide, hydrogenase, plastid, superfamily, oligomer, glutamine, cytosol, purine, urea, protein, tryptophan, lysine, polymerase, sugars, vitamin, chlorophyll, heme, purines, surfactant, ca, cu, subunit, globulin, immunoglobulin, ligand, adenosine, cadherin, enzyme, galactosidase, hemoglobin, inhibitor

base pair, cytosine, deoxyguanosine, guanosine