proteins are also called
polypeptides
proteins are chains of amino acids linked together by _____ bonds
peptide
each protein is a polymer of
amino acids
number of amino acids
20
is protein a heteropolymer or a homopolymer
heteropolymers
two types of amino acids
essential
non-essential
most abundant protein in the animal world
collagen
most abundant protein in the whole of biosphere
rubisco
rubilose biphosphate carboxylase oxygenate