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Intracellular and extracellular Digestion

How intracellular and extracellular Digestion is different? State evolutionary advantage of the extracellular digestion?

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In Intracellular digestion breaking down of macromolecules takes place in the cell. Whereas Extracellular digestion refers to the process in which macromolecules are broken down within the places outside the cell (in extracellular space, in the lumen of digestive tubes, in the surrounds, and so on.) advent of extracellular digestion in evolution has allowed the organisms to benefit from greater variety of food. Breaking down of the larger molecules in smaller ones outside the cell allowed the use of other foods rather than those that, due to size of their molecules, would not be interiorized through the diffusion, pinocytosis or phagocytosis.

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