Proteins differ from one another because
A. the peptide bonds linking amino acids differ from protein to protein.
B. the sequence of amino acids in the polypeptide chain differs from protein to protein.
C. each protein contains its own unique sequence of sugar molecules.
D. the number of nucleotides found in each protein varies from molecule to molecule.
Answer:B
Proteins differ from one another because
A. the peptide bonds linking amino acids differ from protein to protein. B. the sequence of amino acids in the polypeptide chain differs from protein to protein. C. each protein contains its own unique sequence of sugar molecules. D. the number of nucleotides found in each protein varies from molecule to molecule.