Briefly describe the five major groupings of amino acids.
79.
A
B
C
D
E
Tyr-Lys-Met
Gly-Pro-Arg
Asp-Trp-Tyr
Asp-His-Glu
Leu-Val-Phe
Which one of the above tripeptides:
____ (a) is most negatively charged at pH 7?
____ (b) will yield DNP-tyrosine when reacted with l-fluoro-2,4-dinitrobenzene and hydrolyzed in acid?
____ (c) contains the largest number of nonpolar R groups?
____ (d) contains sulfur?
____ (e) will have the greatest light absorbance at 280 nm?

Question

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The Answer of Briefly describe the five major groupings of amino acids.
79.
A
B
C
D
E
Tyr-Lys-Met
Gly-Pro-Arg
Asp-Trp-Tyr
Asp-His-Glu
Leu-Val-Phe
Which one of the above tripeptides:
____ (a) is most negatively charged at pH 7?
____ (b) will yield DNP-tyrosine when reacted with l-fluoro-2,4-dinitrobenzene and hydrolyzed in acid?
____ (c) contains the largest number of nonpolar R groups?
____ (d) contains sulfur?
____ (e) will have the greatest light absorbance at 280 nm?

Briefly Describe the Five Major Groupings of Amino Acids