Microbiology (from Greek μá¿‘κρος, mÄ«kros, "small"; βίος, bios, "life"; and -λογία, -logia) is that the study of microorganisms, those being living thing (single cell), cellular (cell colony), or noncellular (lacking cells. biology encompasses various sub-disciplines together with medical specialty, medical specialty, protistology, mycology, medicine and parasitology. Eukaryotic microorganisms possess membrane-bound organelles and embrace fungi and protists, whereas being organisms—all of that square measure microorganisms—are conventionally classified as lacking membrane-bound organelles and embrace microorganism and Archaea. Microbiologists historically relied on culture, staining, and research. However, but 1 Chronicles of the microorganisms gift in common environments is refined in isolation victimisation current means that. Microbiologists typically consider biology tools like desoxyribonucleic acid sequence based mostly identification, for instance 16s rRNA factor sequence used for microorganism identification. Viruses are variably classified as organisms, as they need been thought of either as terribly straightforward microorganisms. or terribly advanced molecules.