Using a Cation-Exchange Resin,a Mixture of 4 Amino Acids Is

question 1

Multiple Choice

Using a cation-exchange resin,a mixture of 4 amino acids is separated using an elution gradient of increasing NaCl solution.What would be the correct elution sequence?

• A)Arg,Asp,Lys,Ser
• B)Lys,Arg,Asp,Ser
• C)Asp,Ser,Lys,Arg
• D)Ser,Asp,Lys,Arg

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Definitions:

Price-Inelastic

Describing a situation where the demand for a good is insensitively responsive to changes in its price, usually due to the lack of close substitutes.

Complementary Goods

Goods or services that are used together, where the consumption or use of one increases the value or demand of the other.

Cross-Price Elasticity

A measure of how the quantity demanded of one good responds to a change in the price of another good.

Demand

The amount of a good or service that consumers are willing and able to buy at a given price over a specified period.