Question 1
Separation of amino acids using electrophoresis is mainly based on ________.
◦ concentration
◦ differences in pH values
◦ differences in the pI values
◦ none of these
Question 2
Which of the given amino acids will migrate towards the cathode at pH 7?
Glycine: pI = 6.0
Lysine: pI = 9.7
◦ Glycine
◦ Lysine
◦ Both glycine and lysine
◦ Neither glycine nor lysine
◦ It is impossible to determine without more information.