86. The peptide QYDG has a N-terminal _______ residue. (A) glutamic acid (B) glycine (C) glutamine (D) aspartic acid (E) alanine

86. The peptide QYDG has a N-terminal _______ residue.
(A) glutamic acid
(B) glycine
(C) glutamine
(D) aspartic acid
(E) alanine

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統計： A(22), B(5), C(78), D(1), E(1) #1997445

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2019/08/15

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89. Chymotrypsin, a serine protease, preferentially cleaves a peptide bond adjoining a bulky non-polar side chain. This is because chymotrypsin's specificity pocket _______. (A) is mostly filled with large side chains (B) contains a negative charge (C) contains a positive charge (D) contains a sulfhydryl group that forms a disulfide bond with the substrate (E) is lined with small hydrophobic side chains, leaving considerable room in the nonpolar pocket

86. The peptide QYDG has a N-terminal _______ residue.
(A) glutamic acid
(B) glycine
(C) glutamine
(D) aspartic acid
(E) alanine

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