Mesosomes in bacteria are functional unit for -
Mesosomes: These are vesicular convoluted or multilaminated structures formed as invagination of the plasma membrane into the cytoplasm. Mesosomes are of two types--septal and lateral. Mesosomes are analogous to the mitochondria of Eukaryotes and are the principal sites of respiratory enzymes in bacteria.
Lipid storage
Protein synthesis
Respiratory enzymes
carbohydrate breakdown
General Microbiology Pa 1 (History, Microscopy, Stains and Structure and Physiology of Bacteria)