At pH=2.2, which of the following is trueCOOHÇ00COOÇO0H3N-CHH,N-CHH,N-CHH2N-CHCH2CH2CHCH2pK1CH2pKrCH2pK,CH2CHCOOHСООНCOCOO1.IIIVO50 % of carboxylic acid group in the side chain is ionizedO Most of the molecules are in the form IIC None50% of carboxylic acid group attached to alpha carbon is ionized50% of amino group is ionized

The given amino acid is glutamic acid. Glutamic acid contains three ionizable groups in the form of…

Answered: At pH=2.2, which of the following is…

At pH=2.2, which of the following is true COOH COO- Ç00 ÇO0* H3N-CH H,N-CH H&N-CH H2N-CH CH2 CH2 pK, CH2 pK2 CH2 CH2 CH2 pKR CH2 CH2 COOH COOH COO COO"

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

At pH=2.2, which of the following is true
COOH
Ç00
COO
ÇO0
H3N-CH
H,N-CH
H,N-CH
H2N-CH
CH2
CH2
CH
CH2
pK1
CH2
pKr
CH2
pK,
CH2
CH
COOH
СООН
CO
COO
1.
II
IV
O50 % of carboxylic acid group in the side chain is ionized
O Most of the molecules are in the form II
C None
50% of carboxylic acid group attached to alpha carbon is ionized
50% of amino group is ionized

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