AMINO ACIDS

Next to water, ------ are the most abundant substances in nearly all cells

Other elements, such as ------, are essential constituents of certain specialized proteins

oxygen-transporting protein of blood, contains iron

naturally occurring, unbranched polymer in which the monomer units are amino acids

Greek word ------, which means “of first importance.”

an organic compound that contains both an amino (–NH2) group and a carboxyl (–COOH) group.

an amino acid in which the amino group and the carboxyl group are attached to the a-carbon atom.

distinguishes -amino acids from each other, both physically and chemically

The R group present in an a-amino acid is called

Over 700 different naturally occurring amino acids are known, but only --- of them, called Standard Amino Acids, are normally present in proteins.