10 Questions
What method is used to further separate biological particles of similar size but differing density?
Density-gradient centrifugation
What are the two methods that can be used for ultracentrifugation with preformed or self-establishing density gradients?
Rate separation or equilibrium methods
What is caesium chloride widely used for in preparative ultracentrifugation?
Banding of DNA and the isolation of plasmids, nucleoproteins and viruses
What are sodium bromide and sodium iodide employed for in the ultracentrifugation process?
Fractionation of lipoproteins and the banding of DNA or RNA molecules, respectively
What are some examples of gradient materials available for the separation of whole cells and subcellular particles?
Percoll, F
What is the method of choice for further separating biological particles of similar size but differing density?
Ultracentrifugation with preformed or self-establishing density gradients
What are the two methods that can be used for density-gradient centrifugation?
Rate separation or equilibrium methods
Which gradient material is widely used for the banding of DNA and the isolation of plasmids, nucleoproteins, and viruses?
Caesium chloride
What are sodium bromide and sodium iodide employed for in density-gradient centrifugation?
Fractionation of lipoproteins and the banding of DNA or RNA molecules, respectively
Name a range of gradient material offered by various companies for the separation of whole cells and subcellular particles.
Percoll, F
Test your knowledge of density-gradient centrifugation with this quiz. Explore the methods and techniques used to separate biological particles based on their size and density. From ultracentrifugation to rate separation and equilibrium methods, this quiz covers the key concepts in preparative ultracentrifugation.
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