Answer to Question #256792 in Organic Chemistry for nic

Question

In what direction (toward the anode, toward the cathode, or toward neither) will the following  proteins move in an electric field? 

a. Serum albumin (pI=4.9) at pH 8.0 

b. Urease (pI=5.0) at pH3.0 and pH 9.0 

c. Ribonuclease (pI=9.5) at pH 4.5, 9.5 and 11.0 

d. Pepsin (pI=1.0) at pH 3.5, pH7.0 and pH 9.5

Answer 1

a) Cathode

b) Cathode

c) neither

d) anode