09136644254 M.Sc/ B.Sc in Microbiology Admission in Patna/ Mujjaffarpur/Hajipur/ Chapra

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Microbiology (from Greek μῑκρος, mīkros, "small"; βίος, bios, " life "; ...

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  • Published: 28/11/2014
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    Microbiology (from Greek μῑκρος, mīkros, "small"; βίος, bios, " life "; and -λογία, -logia ) is the study of microscopic organisms , either unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). [1] Microbiology encompasses numerous sub-disciplines including virology , mycology , parasitology , and bacteriology .

    Eukaryotic microorganisms possess membrane-bound cell organelles and include fungi and protists , whereas prokaryotic organisms—which all are microorganisms—are conventionally classified as lacking membrane-bound organelles and include eubacteria and archaebacteria . Microbiologists traditionally relied on culture, staining, and microscopy. However, less than 1% of the microorganisms present in common environments can be cultured in isolation using current means. [2] Microbiologists often rely on extraction or detection of nucleic acid , either DNA or RNA sequences.

    Viruses have been variably classified as organisms, [3] as they have been considered either as very simple microorganisms or very complex molecules. Prions , never considered microorganisms, have been investigated by virologists, however, as the clinical effects traced to them were originally presumed due to chronic viral infections, and virologists took search—discovering "infectious proteins".

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