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Given a Peptide

Question 32

Multiple Choice

Given a peptide: Given a peptide:   Salt bridges will form in this peptide in a buffer at pH 7 between: I. the amino terminus -NH<sub>3</sub><sup>+</sup> and the carboxy terminus -COO<sup>-</sup> II. the side chain of Asp6 and the amino terminus -NH<sub>3</sub><sup>+</sup> III. the side chains of Ser6 and Gln9 IV. the side chain of His13 and the carboxy terminus -COO<sup>-</sup> V. the side chains of Gln9 and His13 A)  I B)  II C)  III D)  I, II and IV E)  III, IV, and V
Salt bridges will form in this peptide in a buffer at pH 7 between:
I. the amino terminus -NH3+ and the carboxy terminus -COO-
II. the side chain of Asp6 and the amino terminus -NH3+
III. the side chains of Ser6 and Gln9
IV. the side chain of His13 and the carboxy terminus -COO-
V. the side chains of Gln9 and His13


A) I
B) II
C) III
D) I, II and IV
E) III, IV, and V

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