Mesosomes:-
Mesosomes are complex , intracellular, membranous structure formed by the infolding of cytoplasmic membrane .It is simple tubular or vesicular invagination in the cytoplasm. It is present in both the gram negative and gram positive except few gram negative bacteria. The chemical composition is similar to cell membrane.
Function of mesosomes:-
1) It increase the surface area for enzymes action of respiration.
2) It helps in DNA replication during the cell division in daughter cell by being attached with bacterial chromosome.
3) It helps in cross wall formation before the cell division and on endospore formation.
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