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Give the Order (1st to Last)in Which the Following Amino

Question 35

Multiple Choice

Give the order (1st to last) in which the following amino acids would be eluted with a buffer of pH = 4 from a column containing a cationic-exchange resin (Dowex 50) : Arg (pI = 10.8) ,Ser (pI = 5.7) ,Asp (pI = 2.8) and His (pI = 7.6) .


A) His,Ser,Asp,Arg
B) Arg,His,Ser,Asp
C) His,Ser,Arg,Asp
D) Asp,Ser,His,Arg

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