The three-dimensional shape of a protein is determined by the
a) ratio of nonessential to essential amino acids present in the polypeptide chain.
b) sequence of amino acids in the polypeptide chain.
c) carbon to nitrogen ratio in the polypeptide chain.
d) the number of peptide bonds present in the polypeptide chain.
Ans: b) sequence of amino acids in the polypeptide chain.
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