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Part C Calculate the average charge on arginine when pH = 9.25. (Hint : Find the average charge for each ionizable group and sum these together.) Express your answer using two significant figures. ν ΑΣφ Submit Request Answer

Part C Calculate the average charge on arginine when pH = 9.25. (Hint : Find the average charge for each ionizable group and sum these together.) Express your answer using two significant figures. ν ΑΣφ Submit Request Answer

Introduction to General, Organic and Biochemistry
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 22.91P: 22-91 Which amino acid does not rotate the plane of polarized light?
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The amino acid arginine ionizes according to the following scheme: NH2 NH2 NH2 NH2 H C=N C=N C= C=N-H pk, - 2.17 --H* pK, - 8.99 -H pK, - 12.5 -H H. H. H. NH NH NH NH +H* +H* +H* H (CH2)3 H (CH2)3 (CH2)3 (CH2)3 H-N+-C-COOH H-N+-C- Coo- H2N-C-COo- H2N-C-COo- H H H. II II IV
Transcribed Image Text:The amino acid arginine ionizes according to the following scheme: NH2 NH2 NH2 NH2 H C=N C=N C= C=N-H pk, - 2.17 --H* pK, - 8.99 -H pK, - 12.5 -H H. H. H. NH NH NH NH +H* +H* +H* H (CH2)3 H (CH2)3 (CH2)3 (CH2)3 H-N+-C-COOH H-N+-C- Coo- H2N-C-COo- H2N-C-COo- H H H. II II IV
Part C Calculate the average charge on arginine when pH = 9.25. (Hint : Find the average charge for each ionizable group and sum these together.) Express your answer using two significant figures. Submit Request Answer
Transcribed Image Text:Part C Calculate the average charge on arginine when pH = 9.25. (Hint : Find the average charge for each ionizable group and sum these together.) Express your answer using two significant figures. Submit Request Answer
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