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Shown below is the titration curve for the amino acid glycine (side chain -H). What is the composition of glycine at pH 10.0? 12 10 H,NCH,CO0 +H* pK2 H,NCH,Coo 8 pH 6 4 pk, 2 H,NCH,COOH H,ÑCH,coo +H* 0.5 1.0 H+ ions dissociated/molecule 1.5 2.0 O 100% H3N*-CH2-COO O50% H3N*-CH2-COO"; 50% H2N-CH2-COO" D 50% H2N-CH2-COOH; 50% H2N-CH2-COO" 100% H2N-CH2-COOH

Shown below is the titration curve for the amino acid glycine (side chain -H). What is the composition of glycine at pH 10.0? 12 10 H,NCH,CO0 +H* pK2 H,NCH,Coo 8 pH 6 4 pk, 2 H,NCH,COOH H,ÑCH,coo +H* 0.5 1.0 H+ ions dissociated/molecule 1.5 2.0 O 100% H3N*-CH2-COO O50% H3N*-CH2-COO"; 50% H2N-CH2-COO" D 50% H2N-CH2-COOH; 50% H2N-CH2-COO" 100% H2N-CH2-COOH

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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QUESTION 4 Shown below is the titration curve for the amino acid glycine (side chain -H). What is the composition of glycine at pH 10.0? 12 10 pK2 H2NCH,CO0 +H* H,NCH,CO0 8 pH 6 4 - pK, H,NCH,COOH H,ÑCH,co0 + H* 0.5 1.0 H+ ions dissociated/molecule 1.5 2.0 O 100% H3N*-CH2-CO O 50% H3N*-CH2-COO"; 50% H2N-CH2-COO" O 50% H2N-CH2-COOH; 50% H2N-CH2-CO", O 100% H2N-CH2-COOH
Transcribed Image Text:QUESTION 4 Shown below is the titration curve for the amino acid glycine (side chain -H). What is the composition of glycine at pH 10.0? 12 10 pK2 H2NCH,CO0 +H* H,NCH,CO0 8 pH 6 4 - pK, H,NCH,COOH H,ÑCH,co0 + H* 0.5 1.0 H+ ions dissociated/molecule 1.5 2.0 O 100% H3N*-CH2-CO O 50% H3N*-CH2-COO"; 50% H2N-CH2-COO" O 50% H2N-CH2-COOH; 50% H2N-CH2-CO", O 100% H2N-CH2-COOH
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