H,N HO, NH2 N- NH2 lysine tryptophan

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
Chapter21: Lipids
Section: Chapter Questions
Problem 21.40P
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Question

Lysine and tryptophan are two amino acids that contain an additional N
atom in the R group bonded to the a carbon. While lysine is classified as
a basic amino acid because it contains an additional basic N atom,
tryptophan is classified as a neutral amino acid. Explain why this
difference in classification occurs.

H,N
HO,
NH2
N-
NH2
lysine
tryptophan
Transcribed Image Text:H,N HO, NH2 N- NH2 lysine tryptophan
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