This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Which of these amino acids will migrate slowest to the anode end at the physiological pH? 
Select and explain. 
A. Aspaic acid, B. Glycine, C. Lysine, D. Valine
C: Lysine
Answer: C: Lysine 
Explanation: At physiological pH basic aminoacid (positive charged a.a) will move slowest towards anode (positively charged electrode).Basic amino acids are: Arginine (Most basic), Lysine and Histidine (Weakly basic)