Self Test

Question 1

A biochemist is attempting to separate a DNA binding proteins (X) in a solution. Only three other proteins (A, B and C) are present. The proteins have the following properties:

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What type of protein separation techniques might she use to separate?

P. Protein X can be separated from protein A by size-exclusion chromatography.

Q. Protein X can be separated from protein B by ion-exchange chromatography.

R. Protein X can be separated from protein A by isoelectric focusing.

S. Protein X can be separated from protein C by affinity chromatography.

  1. P and Q
  2. Q and S
  3. P, Q and S
  4. R and S

Question 2

A mixture of amino acids can be analyzed ...

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