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At pH=2.2, which of the following is true СООН COO CO0 CO0" H2N-CH H,N-CH H,N-CH CH2 pK2 H2N-CH CH2 CH2 pKR CH2 CH2 pK, CH2 CH2 CH2 COOH СООН СООН COO COO

At pH=2.2, which of the following is true СООН COO CO0 CO0" H2N-CH H,N-CH H,N-CH CH2 pK2 H2N-CH CH2 CH2 pKR CH2 CH2 pK, CH2 CH2 CH2 COOH СООН СООН COO COO

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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At pH=2.2, which of the following is true СООН COO COO CO0" H3N-CH CH2 pKR. H&N-CH H,N-CH H2N-CH CH2 pK2 CH2 CH2 CH2 pK, CH, CH2 CH2 COOH СООН COO- CO0 IV O 50% of carboxylic acid group attached to alpha carbon is ionized O 50% of amino group is ionized Most of the molecules are in the form III O None O 50 % of carboxylic acid group in the side chain is ionized
Transcribed Image Text:At pH=2.2, which of the following is true СООН COO COO CO0" H3N-CH CH2 pKR. H&N-CH H,N-CH H2N-CH CH2 pK2 CH2 CH2 CH2 pK, CH, CH2 CH2 COOH СООН COO- CO0 IV O 50% of carboxylic acid group attached to alpha carbon is ionized O 50% of amino group is ionized Most of the molecules are in the form III O None O 50 % of carboxylic acid group in the side chain is ionized
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