3.
A mixture of glycine, aspartic acid. Phenylalanine and arginine are separated by cation exchange chromatography on Dowex-50. Buffers of increasing pH are used to elute amino acids from the column.Which amino acid is oluted first ?
A:
Arginine
B:
Gylcine
C:
Aspartic acid
D:
Phyenlalanine
The answer is:
C
