Modify the amino acid by adding or removing atoms or bonds and by adding charges where appropriate. H I I N Incorrect 81c H1C I O || H N- I CH₂ | CH₂ 1 CH₂ | CH₂ I N - H I+ H

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
Modify the amino acid by adding or removing atoms or bonds and by adding charges where appropriate.
H
H
I
с
|
Incorrect
O=C
II
с
CH₂
|
CH₂
|
CH₂
|
CH₂
N-N
|+
N
H
HININ
I
I
I
N
- H
Transcribed Image Text:Modify the amino acid by adding or removing atoms or bonds and by adding charges where appropriate. H H I с | Incorrect O=C II с CH₂ | CH₂ | CH₂ | CH₂ N-N |+ N H HININ I I I N - H
Modify isoleucine to show the predominant forms at pH 1, 7, and 13. Isoleucine has, values of 2.4 (carboxyl group) and 9.7 (amino group).
Isoleucine at pH 7
Isoleucine at pH 1
CH3
CH₂
+
H₂C CH
+H₂N- C
H
Incorrect
Isoleucine at pH 13
Incorrect
H₂C
H₂N-
CH₂
|
CH₂
CH
c- C
H
0
ĭ
Incorrect
H₂C
+H₂N-
Transcribed Image Text:Modify isoleucine to show the predominant forms at pH 1, 7, and 13. Isoleucine has, values of 2.4 (carboxyl group) and 9.7 (amino group). Isoleucine at pH 7 Isoleucine at pH 1 CH3 CH₂ + H₂C CH +H₂N- C H Incorrect Isoleucine at pH 13 Incorrect H₂C H₂N- CH₂ | CH₂ CH c- C H 0 ĭ Incorrect H₂C +H₂N-
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