You have a mixture of peptides with the following amino acid sequences
tywsf
tedse
kagfelcrnedacer
it will take at least two different chromatography columns to separate the three proteins from each other. which non-denaturing purification methods do you use?
a. hydrophobic interaction column and a size exclusion coumn
b. cation exchange column and a metal affinity column
c. size exclusion column and a chitin affinity column
d. sds page and an anion exchange column