According to the table, size-exclusion (gel-filtration) chromatography could NOT be used to separate which protein mixture? pl 3.2 5.7 10.5 6.3 Protein MW 12,500 13,200 13,500 125,200 36,900 78,400 proteins A, D, and F proteins C, E, and F proteins B, E, and F proteins A, B, and C All of the answers are correct. 6.1 A) B) D) E)

Chromatography is an analytical method for decomposing chemical mixtures into their constituent components. In the laboratory, various chromatographic techniques are employed, including column chromatography, thin-layer chromatography, gas chromatography, and others.

What is protein ?

Proteins are intricate chemical substances made up of several amino acids that are connected by peptide bonds and cross-linked between chains by sulfhydryl bonds, hydrogen bonds, and van der Waals forces.

In the process of size exclusion chromatography a specific synthetic gel column is used in which each gel beads are porous. So, when you will run protein sample through this gel column, small proteins will get inside the pores of the beads and will roam around inside the labyrinth of the porous channels. So, the bigger protein which will not be able to fit inside the pores will elute very faster than the smaller proteins.

Now, the proteins A, B and C have almost similar MW. So, they will take similar time to get eluted. So, they cannot be separated by this technique.

Therefore, option (d) is correct.

Learn more about chromatography from the given link.

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