Antibodies are classified according to their mode of action as agglutinins, bacteriolysins, hemolysins, opsonins, precipitins, etc. The alpha1 subunits contain the channel pore, voltage sensor, and the receptor moities for various classes of drugs and toxins. From the standpoint of function, genes are conceived of as structural, operator, and regulatory genes. The type species of a genus, or the type specimen of that genus.
Prokaryotes are cellular organisms lacking true nuccleus and nuclear membrane.
A non-chromosomally inherited determinant described in the yeast Saccharomyces cerevisiae.