Which of the following peptides have a net positive chargeat pH 7? (a) Gly-Ser-Lys, (b) Pro-Leu-Ile, (c) Phe-Tyr-Asp.

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter22: Proteins
Section: Chapter Questions
Problem 22.42P: 22-42 (a) How many atoms of the peptide bond lie in the same plane? (b) Which atoms are they?
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Which of the following peptides have a net positive charge
at pH 7? (a) Gly-Ser-Lys, (b) Pro-Leu-Ile, (c) Phe-Tyr-Asp.

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