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Science (Physics, Biology) — Yes — link: CIE 5126 Science (Chemistry, Biology) — Yes — link: CIE 5129 Combined Science: Yes Yes Yes Cannot be combined with syllabuses 0608, 0610, 0620, 0625, 0652, 0653 & 0654 , 5054, 5070, 5090, 5096 & 5131 (O Level) link: CIE 5130 Additional Combined Science: No Yes Yes last exam in 2007 link: CIE 5131 ...
1 List of useful microorganisms used in preparation of food and beverage. 2 See also. 3 References. ... This page was last edited on 11 December 2024, at 08:10 (UTC).
Microbiology (from Ancient Greek μῑκρος (mīkros) ' small ' βίος (bíos) ' life ' and -λογία () ' study of ') is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular (consisting of complex cells), or acellular (lacking cells).
Bacteria were first observed by Antonie van Leeuwenhoek in 1676, using a single-lens microscope of his own design. [3] He did not distinguish bacteria as a separate type of microorganism, calling all microorganisms, including bacteria, protists, and microscopic animals, "animalcules".
Electron micrograph of the bacterium Pelagibacter ubique. Pelagibacter ubique is one of the smallest known free-living bacteria, with a length of 370 to 890 nm (0.00037 to 0.00089 mm) and an average cell diameter of 120 to 200 nm (0.00012 to 0.00020 mm).
Microorganisms play a role in solubilizing phosphate, improving soil health, and plant growth. [35] Again, microbial interaction are involved in bioremediation. Bioremediation is a technology that is employed to remove heavy metal contaminants from soil [36] and wastewater [37] using microorganisms. Microorganisms such as bacteria and fungi ...
Then, Fauna included moving organisms (animals and protist as "micro-fauna") and Flora the organisms with apparent no movement (plants/fungi; and bacteria as "microflora"). The terms "microfauna" and "microflora" are common in old books, but recently they have been replaced by the more adequate term "microbiota". [2]
Because of the similarity of thinking and working with microorganisms other than bacteria, such as protozoa, fungi, and non-microorganism viruses, there has been a tendency for the field of bacteriology to extend as microbiology. [2] The terms were formerly often used interchangeably. [3] However, bacteriology can be classified as a distinct ...