As protein purification proceeds, the number of contaminants increases while the sample is enriched with the desired protein. The purity of the protein is assessed based on "fold purification."

Question

Quizplus · Accepted Answer

The first sentence is incorrect because as protein purification proceeds, the number of contaminants decreases, not increases, while the sample is enriched with the desired protein. The second sentence is correct; the purity of the protein is indeed assessed based on "fold purification," which measures the increase in the ratio of the amount of desired protein to the total amount of protein throughout the purification process.

As Protein Purification Proceeds, the Number of Contaminants Increases While