The isoelectric point, pl, of the protein adenosine deaminase is \( \mathbf{4 . 8 5} \), while that of lysozyme is \( \mathbf{1 1} \).
What is the net charge of adenosine deaminase at pH 5.1 ?
What is the net charge of lysozyme at pH 10.2 ?
The isoelectric point of tryptophan is \( \mathbf{5 . 8 9} \); phenylalanine, \( \mathbf{5 . 4 8} \).
During paper electrophoresis at pH 6.5 , toward which electrode does tryptophan migrate?
During paper electrophoresis at \( \mathrm{pH} \mathbf{4 . 5} \), toward which electrode does phenylalanine migrate?