Which of the following is often the first step in protein purification from a homogenate?
A) ion exchange chromatography
B) gel-filtration chromatography
C) HPLC
D) centrifugation
E) gel electrophoresis

Question

Quizplus · Accepted Answer

Centrifugation is commonly used as the first step in protein purification from a homogenate to separate cellular components by size and density, thereby concentrating the proteins of interest.

Which of the Following Is Often the First Step in Protein