Exhibit 5A The following diagram shows the anode,cathode,and pH gradient of an isoelectric focusing bed:
Refer to Exhibit 5A.If the amino acid glycine were placed in the bed where the pH is 7,and the current were turned on,it would migrate closest to which of the following positions?
A) pH 4
B) pH 6
C) pH 8
D) pH 10

Question

Exhibit 5A The following diagram shows the anode,cathode,and pH gradient of an isoelectric focusing bed:
 Refer to Exhibit 5A.If the amino acid glycine were placed in the bed where the pH is 7,and the current were turned on,it would migrate closest to which of the following positions?
A) pH 4 
B) pH 6 
C) pH 8 
D) pH 10

Quizplus · Accepted Answer

Glycine has a pI of 5.9, so it would migrate towards the pH that is closest to this value, which is pH 6. Therefore, the correct answer is choice B.

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