Biology Practice Problems Cells Practice Problems Solution: Why is it possible to separate different component...

Solution: Why is it possible to separate different components of the cell by centrifugation? In what order will mitochondria, chloroplasts, and ribosomes separate?

Problem

Why is it possible to separate different components of the cell by centrifugation? In what order will mitochondria, chloroplasts, and ribosomes separate?

Solution

The different cellular components can be separated usig differential centrifugation. Centrifugation can separate components mainly accrding to size. Larger components tend to settle faster than smaller components. But further separation of components is due to their different buoyant densities, as they are centrifuged in a solvent with graded density. 

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