Microbial Growth And Nutrition
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Microbial Growth And Nutrition
A microorganism, or microbe, is an organism of microscopic scale, microscopic size, which may exist in its unicellular organism, single-celled form or as a Colony (biology)#Microbial colonies, colony of cells. The possible existence of unseen microbial life was suspected from antiquity, with an early attestation in Jain literature authored in 6th-century BC India. The scientific study of microorganisms began with their observation under the microscope in the 1670s by Anton van Leeuwenhoek. In the 1850s, Louis Pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. In the 1880s, Robert Koch discovered that microorganisms caused the diseases tuberculosis, cholera, diphtheria, and anthrax. Microorganisms are extremely diverse, representing most unicellular organisms in all three domains of life: two of the three domains, Archaea and Bacteria, only contain microorganisms. The third domain, Eukaryota, includes all multicellular o ...
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E Coli At 10000x, Original
E, or e, is the fifth Letter (alphabet), letter and the second vowel#Written vowels, vowel letter of the Latin alphabet, used in the English alphabet, modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is English alphabet#Letter names, ''e'' (pronounced ); plural ''es'', ''Es'', or ''E's''. It is the most commonly used letter in many languages, including Czech language, Czech, Danish language, Danish, Dutch language, Dutch, English language, English, French language, French, German language, German, Hungarian language, Hungarian, Latin language, Latin, Latvian language, Latvian, Norwegian language, Norwegian, Spanish language, Spanish, and Swedish language, Swedish. Name In English, the name of the letter is the "long E" sound, pronounced . In most other languages, its name matches the letter's pronunciation in open syllables. History The Latin letter 'E' differs little from its source, the Greek alphabe ...
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Diphtheria
Diphtheria is an infection caused by the bacteria, bacterium ''Corynebacterium diphtheriae''. Most infections are asymptomatic or have a mild Course (medicine), clinical course, but in some outbreaks, the mortality rate approaches 10%. Signs and symptoms may vary from mild to severe, and usually start two to five days after exposure. Symptoms often develop gradually, beginning with a sore throat and fever. In severe cases, a grey or white patch develops in the throat, which can block the airway, and create a barking cough similar to what is observed in croup. The neck may also swell, in part due to the enlargement of the facial lymph nodes. Diphtheria can also involve the skin, eyes, or genitals, and can cause complications, including myocarditis (which in itself can result in an cardiac arrhythmia, abnormal heart rate), peripheral neuropathy, inflammation of nerves (which can result in paralysis), proteinuria, kidney problems, and bleeding problems due to thrombocytopenia, low ...
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