Bacteria cannot assimilate complex carbohydrates, protein and fat as we do. They depend on specific enzymes to first degrade the food material and then they digest it into their cell. Since, bacteria are unicellular creatures, they have a very simple digestion system and the main part of the system are enzymes. These are exo-cellular and endo-cellular. Enzymes act on their food to produce simple monomers of proximate food constituents and these are transported through a system called active transport, where water along with food molecules bind together with various cellular proteins and pumped into the bacterial cell.
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Bacteria cannot assimilate complex carbohydrates, protein and fat as we do. They depend on specific enzymes to first degrade the food material and then they digest it into their cell. Since, bacteria are unicellular creatures, they have a very simple digestion system and the main part of the system are enzymes. These are exo-cellular and endo-cellular. Enzymes act on their food to produce simple monomers of proximate food constituents and these are transported through a system called active transport, where water along with food molecules bind together with various cellular proteins and pumped into the bacterial cell.