What factors determine the shape and three-dimensional structure of protein? i. Amino acid sequence of the protein ii. Enantiomeric forms of the amino acids iii. Stearic restraints of bulky side chains of the amino acids iv. Different interactions between the side chains of amino acids a. i, ii, and iv b. i, iii, and iv c. iii and iv only d. i, ii, and iii

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