Decent Essays
Protista are simple eukaryotic organisms where the DNA is enclosed in a nucleus inside the cell. Protists are not animals, plants or fungi. Protists can be classified in to four general subgroups, the plantlike algae, animal-like protozoans, fungus-like slime molds and water molds. Protozoa are mostly the predators and parasites, for example, Amoeba sp. and Paramecium sp.. They live in water and moist terrestrial habitats.

From all the microbes, viruses are the simplest and tiniest, just a ball of genes wrapped in a shell, about a millionth of an inch across. Viruses are unique because they only alive and able to multiply inside the cells of other living organisms, also called the host cell. Viruses are found in about every material and environment on earth from soil to
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Application of microbe in industry/industries with examples
Microbes usually applied in agriculture industry because expert find out that microorganism found in the soil can help to improve agricultural productivity. For example, microbes like Agrobacterium tumefaciens are used in plants and this will cause the plants to be genetic engineered so that they become more resistant to certain pests, herbicides and diseases. Furthermore, microbe like Bacillus thuringensis is used in plant too in order to supply protein that is lethal to insects when they consume it. This can reduce the use of chemical insecticides and become more eco-friendly to the environment.

Furthermore, microbes are key component in food industry. Fermentation processes can be carried out by using the microbes like lactic acid, yeast, moulds and bacteria to make food products like beer, bread, yoghurt and cheese. For example, the bacterium Lactobacillus acidophilus is used to produce yogurt. Besides, bacterial acetic acid fermentation can produce vinegars. A microbe called Aspergillus sp. is used in the production of alcoholic beverages and also commonly used in the large-scale fermentation in the production of Japanese
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