moiety
segment of a molecule
epitope
chemical entity which can be bound by an antibody
substituent group
atom or chemical group which formally replaces hydrogen atom(s) on a parent hydride
ring
closed-loop molecular structure
benzene ring
functional group consisting of the skeleton of benzene
C-terminus
end of an amino acid chain
repeat unit
part of a polymer whose repetition would produce the complete polymer chain
AP site
biochemical site of damaged DNA or RNA
carbon chain
chain formed by a set of contiguous carbon atoms linked by covalent bonds
structural unit
building block of a polymer chain
functional group
group of atoms in a molecule which imparts specific chemical properties
ligand
molecule or functional group that binds or can bind to the central atom in a coordination complex
chemical bond
lasting attraction between atoms that enables the formation of chemical compounds
backbone chain
series of covalently bounded atoms within a linear polymer