Which biological molecule can be purified using the process of precipitation?

Which biological molecule can be purified using the process of precipitation? Correct Answer Proteins and nucleic acid

Protein precipitation is one of the most commonly used techniques in bioseparation. Once the cells are lysed, the products in the form of protein are to be purified and separated from the fermentation broth. The cytosolic proteins are easily soluble in water and their solubility depends on the pH as well as the ionic strength. The proteins are precipitated by adding salt in the fermentation broth.
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