Microbiology | Definition, History, & Microorganisms | Britannica
2024年9月19日 · Microbiology, the scientific study of microorganisms, a diverse group of generally minute simple life-forms, including bacteria, algae, and viruses. The field is concerned with the structure, function, and classification of such organisms and with ways of both exploiting and controlling their activities.
Microbiology - Bacteria, Viruses, Fungi | Britannica
2024年9月19日 · Whereas basic microbiology addresses questions regarding the biology of microorganisms, applied microbiology refers to the use of microorganisms to accomplish specific objectives. The study of the biology of microorganisms requires the use of many different procedures as well as special equipment.
microbiology summary | Britannica
microbiology, Scientific study of microorganisms, a diverse group of simple life-forms including protozoans, algae, molds, bacteria, and viruses. Microbiology is concerned with the structure, function, and classification of these organisms and with ways of …
Microbiology - Bacteria, Viruses, Fungi | Britannica
2024年9月19日 · Microbiology - Bacteria, Viruses, Fungi: The major groups of microorganisms—namely bacteria, archaea, fungi (yeasts and molds), algae, protozoa, and viruses—are summarized below. Links to the more detailed …
Antibiotic | Definition, Types, Side Effects, Resistance ...
2024年10月9日 · Antibiotic, chemical substance produced by a living organism, generally a microorganism, that is detrimental to other microorganisms. Antibiotics came into worldwide prominence with the introduction of penicillin in 1941. Since then they have revolutionized the treatment of bacterial infections.
Biology | Definition, History, Concepts, Branches, & Facts | Britannica
2024年10月21日 · Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology. Why is biology important?
Bacteriology | microorganisms, pathogens, antibiotics - Britannica
Bacteriology, branch of microbiology dealing with the study of bacteria. The beginnings of bacteriology paralleled the development of the microscope. The first person to see microorganisms was probably the Dutch naturalist Antonie van Leeuwenhoek, who in 1683 described some animalcules, as they.
Microbiology - Applied, Diagnostics, Research | Britannica
2024年9月19日 · Microbiology - Applied, Diagnostics, Research: Genetic engineering is an example of how the fields of basic and applied microbiology can overlap. Genetic engineering is primarily considered a field of applied microbiology (that is, the exploitation of microorganisms for a specific product or use).
Microbiology - Food Safety, Bacteria, Microorganisms | Britannica
2024年9月19日 · Microbiology - Food Safety, Bacteria, Microorganisms: Microorganisms are of great significance to foods for the following reasons: (1) microorganisms can cause spoilage of foods, (2) microorganisms are used to manufacture a wide variety of food products, and (3) microbial diseases can be transmitted by foods.
Gram stain | Definition, Procedure, & Facts | Britannica
2024年9月28日 · Gram stain, a widely used microbiological staining technique that greatly aids in the identification and characterization of bacteria. It was devised by a Danish physician, Hans Christian Gram, in 1884.