Introduction to microbiology:

Microbiology is the branch of science that deals with microorganisms.

Micro organisms: Microorganisms are the small living things that include unicellular, multicellular or acellular. Unicellular are single cells organisms like cocci, bacilli, virio and spirillae. Multicellular are filaments and sheaths to form cell colonies like blue green algae (cyanobacteria), fungi, protozoans and bacteria whereas acellular are organism without cells, like viruses, prions. These microorganisms are not visible by naked eyes, only observed under microscope. 




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