If A mixture of three amino acids, Asp, Ala and Arg, placed on a cation-exchange resin containing sulfonate (-SO3-) groups will flow down the column at different rates. a. True
b. False

A. True

Explanation:

If A mixture of three amino acids, Asp, Ala and Arg, placed on a cation-exchange resin containing sulfonate (-SO3-) groups will flow down the column at different rates.

This is because amino acids contain varying proportions of elements and compounds . For example, sulphur composition varies and a cation exchange resin will favor the ones with a higher amount of the element.

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