Mutation breeding or mutagenesis is one of many great inventions of the 20th century. Until 1927, people thought mutation only occurred naturally. But to their surprise, they discovered that humans could even induce mutation artificially. And now in the age of biotechnology almost every plant science lab uses recombinant DNA …
Read More »Chernobyl, Covid-19 and Black Fungus
In the year 1986, a horrifying incident took place. It killed many instantly (who were very close to the nuclear reactor). As well as kept on affecting several many living beings including plants, wild and domestic animals. The extreme radioactive environment affected the people whoever was still living in that …
Read More »Control of Microorganisms
Control of Microorganism by Heat Heat generally appears to kill micro-organisms by denaturing their enzymes: the resultant changes to the three-dimensional shapes of these proteins inactivate them. Heat resistance varies among different microbes. These differences can be expressed through the followings; Thermal death point (TDP) is the lowest temperature at …
Read More »Microbiology of Food
Food is any substance consumed to provide nutritional support for the body. Food contains essential nutrients such as carbohydrates, fats, proteins, vitamins or minerals. Food is ingested by an organism and assimilated by the organisms cells to provide energy, maintain life or stimulate growth. Classifications of food According to Martin …
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