Cation-exchange chromatography is used when the molecule of interest is positively charged, the stationary phase is negatively charged and positively charged molecules are loaded to be attracted to it. So, the amino acids with negative charge will elute the first. Glutamate, leucin, arginine is the order of elution because of their pI values ~3, ~6 ~10.
Answer:
rex was covered in a coat of downy feathers
Explanation:
Some mammals did have hair but T. Rex mostly had feathers
Because acids have a bitter taste i believe
converting food into smaller molecules
