Section 111 Titration Curve Matching (2 points each part) on curve depicted is f

Question

Section 111 Titration Curve Matching (2 points each part) on curve depicted is for lysine. Indicate the letter from the following list that best matches the description below. Some may be used twice or not at all. a) Eisoelectric pH b) pH with roughly equal amounts of Lys"1 and Lys? 14 c) half of the side chains are protonated d) 50% of the carboxyl group is protonated e) Cthe net charge is approximately +1 f) the center of the alpha-amino buffer range8 12 10 pH 6 0 0.511.5 2 2.5 Equivalents of OH

Explanation / Answer

E.isoelectric point.

C.the net charge is +1.

A.50% of carboxyl group protonated.

G.centre of the alpha amino acid buffer range

F.half of the side chain protonated.

B.pH equal to Lys +1 and Lys +2.

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