What type of chromatography is commonly used for separating proteins?

What type of chromatography is commonly used for separating proteins?

Step 1: Understand what chromatography is. It is a technique used to separate different substances in a mixture.
Step 2: Learn about proteins. Proteins are large molecules made up of amino acids and have specific functions in the body.
Step 3: Know that there are different types of chromatography, but some are better for proteins than others.
Step 4: Identify affinity chromatography. This type of chromatography separates proteins based on their specific interactions with other molecules.
Step 5: Realize that in affinity chromatography, a protein will bind to a specific ligand (a molecule it interacts with) on a column, allowing other substances to wash away.
Step 6: Finally, understand that after washing, the bound protein can be eluted (washed off) from the column, allowing for its separation and collection.

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