試題詳解

1. The tertiary structure of a protein is the _____
(A) bonding together of several polypeptide chains by weak bonds
(B) order in which amino acids are joined in a polypeptide chain
(C) unique three-dimensional shape of the fully folded polypeptide
(D) organization of a polypeptide chain into an α helix or β pleated sheet
(E) overall protein structure resulting from the aggregation of two or more polypeptide subunits