essay on microbe

They are diverse and have adapted to inhabit different environments including extreme conditions, such as hot vents under the ocean to the ice caps; known as extremophiles. Essential Uses Of Microorganisms Biology Essay. Information gained from each of these three sciences (microbiology, chemistry, and molecular biology) is frequently shared. The double stranded chromosomal DNA of every kind of microorganism has certain features that are constant and specific for the organism and useful for the classification. What is the difference between a bactericidal and bacteriostatic agent? For example, there are certain bacteria, which can independently fix atmospheric nitrogen, yet there are others which require some type of symbiotic association with angiosperms for the same purpose. Microorganisms have been beneficial to humans in the past too the Weil-Felix test for typhus. The smallest unit of microbial diversity is a species. For their growth in culture media. Biology is a broad science that draws on chemistry and physics for its foundation and applies these basic physical laws to living things.

We will write a custom essay sample on Microbes are everywhere specifically for you FOR only. Microorganisms are essential on Earth. On the other hand, we can appreciate the importance.

The microbes, which occur in the marine environment show difference from those, occur in the fresh water environment. Students used oil immersion microscopy to magnify the microbes and compare their size to that of a eukaryotic cheek cell. If the new information can fit into the constructed framework, it reinforces the framework. Few microorganisms are pathogenic, but many more has an important role in various ecological and industrial processes, maintaining human health; and every day new discoveries are made that shows microorganisms are crucial for scientific advances to be made. Control of growth usually involves the use of physical or chemical agents which either kill or prevent the growth of microorganisms. Aseptic Technique Culturing Microbes, questions,. Proteins called enzymes catalyze these chemical reactions. Molecular biology focuses on the kinds of molecules found in living cells, their behavior, and how they work together to make a cell alive. Practical biology such as medicine, agriculture, plant breeding, and dentistry is balanced by more theoretical biology-evolutionary biology, molecular genetics, and "recreational" biology like insect-collecting and bird-watching. For example, using pathogenic and non-pathogenic strains of Streptococcus pneumoniae by Frederick Griffith to show that there was genetic material through the principal of transformation; and then Avery, MacLeod and McCarty used the same microorganism to show that DNA was the transforming principle. Microorganisms being used in various researches throughout history, led to the advancement of science and technology.

essay on microbe

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