A saccharolytic bacterium is a microbe having the ability to generate energy by metabolizing carbohydrates. Saccharolytic bacteria include both heterotrophic and autotrophic organisms and transform sugars under aerobic a... More »

Streptococcus is a bacterium and not a virus, according to WebMD. There are several different types of streptococcal bacteria, and some cause more serious illnesses than others. More »

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The particular bacterium responsible for MRSA infection is staphylococcus aureus, according to WebMD. When the staph bacterium withstands treatment from one antibiotic in the penicillin group called methicillin, the bact... More »

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A citrate test determines if a microbe can grow by using citrate as its only source of energy and carbon. If the microbe grows on Simmons citrate agar, it passes the test. More »

The McKinley Health Center reports that macronutrients are those that provide calories for energy, including proteins, carbohydrates and fats, and micronutrients, which include vitamins and minerals, are those that are n... More »

In the human body, carbohydrates play a variety of important roles, including providing energy, regulating glucose levels in blood and sparing protein use for body fuel. The body's cells, tissues and muscles require carb... More »

Microbes vary in their response to disinfectants because these chemicals attack specific targets in the cell which a given microbe might not have. In addition, certain bacteria have enzymes which are capable of removing ... More »