serine (ser, s) amino acid molecule. (chemical formula c3h7no3)

health medicine vector school laboratory essential biotech supplement nutrition gln nitrogen antibody peptide synthesis oxygen zwitterion stick sulfur protein biosynthesis glutamine hydrogen chemistry biochemistry biology compound bond formula carbon atom ball structure organic molecular science model atomic background white isolated chain acid amino chemical molecule serine ser c3h7no3 used ball- -stick space-filling skeletal layered