Sterol is a polycyclic alcohol such as a cholesterol or ergosterol. Cortisone steroid can be synthesized chemically from deoxycholic acid. This process requires 37 steps many of which must be carried out under extreme condition of temperature and pressure with the resulting product costing over $200 per gram. Deoxycholic acid → Cortisone So cortisone synthesis […]
Steroid Biotransformation (With Diagram) | Microbiology
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Antibiotics and Its Production (With Diagram) | Microbiology
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‘The antibiotics’ are secondary metabolites or biochemical secreted by microorganisms which, ‘ in low concentration, inhibit the growth or kill other microorganisms, i.e., the antibiotics are ‘antimicrobial agents of microbial origin’. Although some 6,000 antibiotics are known to exist, only about 100 are marketed. About 200 new antibiotics are discovered every year. Microorganisms belonging to […]
Soil Microbiology (Exam Questions and Answers)| Microbiology
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Everything you need to know about soil microbiology. Some of the most frequently asked exam questions are as follows:- Q.1. Name the bacterium that prey on other bacteria. Ans: Bdellovibrio. Q.2. Give some examples of mutualism (symbiosis) in which both organisms are benefitted. Ans: (1) Association of fungus and alga in lichens. (2) Protozoa serving […]
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