Exhibit 5A the Following Diagram Shows the Anode,cathode,and PH Gradient

Multiple Choice

Exhibit 5A The following diagram shows the anode,cathode,and pH gradient of an isoelectric focusing bed:
Refer to Exhibit 5A.A mixture of asp,asn,and arg is placed in the bed where the pH is 7,and the current is turned on.From left to right,which best represents the final positions of the individual amino acids?

A) asp asn arg
B) arg asn asp
C) asn asp arg
D) arg asp asn