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What are common, everyday examples that involve the following microbes: Psycrotroph, Mesophile, Thermophile
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- Which of the following groups of microbes is most likely to be associated with humans? A psychrophiles. B thermophiles C hyperthermophiles D mesophiles.Which of the following coud describe a microbe that causes a lemon left untouched in your refrigerator to spoil? Thermophile Obligate anaerobe none of these alkaliphile mesophile. What are the two major sources needed for microbial growth? (10) (i) …………………………… sources such as glucose, xylose, methanol, or lipids (ii) …………………………… sources such as urea, ammonium sulphate, ammonium nitrate and sodium nitrate.;
- A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n) aerotolerant anaerobe. microaerophile. obligate aerobe. obligate anaerobe. facultative anaerobe.A microbe that does not require oxygen for metabolism but will use it ifavailable is a/ana. microaerophile.b. facultative anaerobe.c. obligate anaerobe.d. aerotolerant anaerobe.e. obligate aerobe.Oxygen is always beneficial to micro-organisms. Discuss this statement in the context of factors that influence microbial growth.
- What type of microbes can not be effectively killed by low temperature (i.e. freezing) treatment? methogens thermophiles mesophiles psychrophiles halophilesIn what environments might the following organisms be found? thermophileWhich has a greater impact on the survival of an organism, temperatures above its maximum temperature or temperatures below its minimum temperature? Explain why and how this relates to typical methods used to control microbial growth.
- What statement correctly explains why moist-heat is more effective than dry-heat for sterilization purposes? The microbe's molecules are resistant to alteration in the absence of water. Dry heat will always be a lower temperature than moist heat. Dry heat dehydrates the microbes, and dehydration is a method of preserving microbes. Water is a good conductor of heat.If a bacteria was found to survive very well in a pond of strong acid, but died quickly when exposed to air, this bacteria may be considered....? Aerobic Anaerobic Pathogenic E. coliHuman pathogens are generally which type of microbe?A. barophileB. halophileC. mesophileD. thermophileE. psychrophile