Which of these amino acids has an imidic side chain? How can you tell?
A) Glutamine
B) Tryptophan
C) Histidine
D) Proline
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Which two amino acids are encoded by only a single codon each?
proline and glycine
cysteine and arginine
phenylalanine and isoleucine
tyrosine and proline
methionine and tryptophan
Using the information in the table below, enter the correct pH that should be used to separate the following three amino acids by electrophoresis: (a) Glu, Lys, and Thr: pH=? (b) His, Lys, and Arg: pH=?
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