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Whelan Whelan
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Posts: 3158
10 years ago
All but one of the common amino acids contain a -NH2 amino group. Which one contains an -NH- amino group as part of a ring structure?
A) phenylalanine
B) proline
C) tyrosine
D) arginine
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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10 years ago
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