The primary structure of a protein refers to :
(a) whether the protein is fibrous or globular
(b) the amino acid sequence in the polypeptide chain
(c) the orientation of the amino acid side chains in space
(d) the presence or absence of an α-helix
(a) whether the protein is fibrous or globular
(b) the amino acid sequence in the polypeptide chain
(c) the orientation of the amino acid side chains in space
(d) the presence or absence of an α-helix