University of Phoenix Material Antimicrobial Assay Worksheet Review the image and refer to Ch. 26 of Brock Biology of Microorganisms to answer the following questions. [pic] Adapted from The National Oceanic and Atmospheric Administration‚ by Islands in the Sea‚ 2002. Answer the following in 100 to 200 words each: 1. What does this picture represent? To what is the area around the disks proportional? This picture represents an antimicrobial agent susceptibility assay
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Through processes know as wet mounts and simple stains‚ observing living microorganisms through a compound microscope can generate a clearer understanding of their appearances and movements. Microorganisms are living things that for the most part cannot be seen through the naked eye. They live on and among humans‚ as well as plants‚ animals‚ and all that is a part of the Earth. Harmless as most seem to be to humans‚ microorganisms are an important relevance of study for human interest in varied perplexities
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to keep their taste & quality for long time certain care should be taken while using them. Moreover there are certain limits to how long food quality can be preserved (canned foods‚ n.d.). There are numerous microorganisms that can contaminate canned food products. One type of microorganism is the thermophilic bacteria. Their ability to produce spores resistant to heat and desiccation enables them to withstand the canning process and ‚ under favorable temperature conditions in storage‚ to cause
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Effects of Antiseptics and Disinfectants Purpose: The purpose of this lab is to discover substances that can slow the growth of‚ or kill‚ microorganisms. Hypothesis: The antiseptic that will prevent the growth of bacteria the most is iodine. The disinfectant that will prevent the growth of bacteria the most is bleach. Procedure: To begin the lab‚ turn the agar plate over and divide the plate into four quadrants and label the agar plate whether you
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lab A. Define the term selectively toxic. Why is it an important feature of antimicrobial agents? Selective toxicity is the ability of a chemical or drug to kill a microorganism without harming its host. Selective toxicity is important to microbial agents because it enables these agents to inhibit or kill a microorganism by interacting with microbial functions or structures different from those of the host thereby showing little or no effect to the host. B. What are broad and narrow spectrum
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usually being a member of the same family or genus. Parasite belongs to biology part of science‚ because it studies about the life of an animal and their behavior. It could be on microbiology part of science‚ but parasite in general is not only microorganisms. Normal-sized organism could be a parasite; it is assessed by their behavior. To talk about parasites biology terminology will be
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causative agent of botulism‚ in canned food. Does not kill endospores of thermophiles‚ which are not pathogens and may grow at temperatures above 45oC. Control of Microbial Growth: definitions Disinfection: Reducing the number of pathogenic microorganisms to the point where they no longer cause diseases. Usually involves the removal of vegetative or non-endospore forming pathogens. May use physical or chemical methods. * Disinfectant: Applied to inanimate objects. * Antiseptic: Applied
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of infection that might be caused by the microorganisms being studied. This laboratory does not require the use of virulent human pathogens. However‚ many types of microorganisms are potentially pathogenic. This means that‚ although they would not cause disease in a normal healthy host‚ they might possibly do so if a large enough quantity of the microbes came into contact with a compromised host‚ such as by wounds and cuts. In addition to microorganisms‚ there are some chemicals used in this laboratory
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used for very different purposes. Cleaning is the physical removal of soil and food residues from surface of equipment and utensils. Sanitizing is the treatment of a surface that has been previously cleaned to reduce the number of disease-causing microorganisms to safe levels. The equipment and supplies used for cleaning are different from those used for sanitizing. Removal of Food Particles: Scrape and flush large food particles from equipment and utensils before the items are placed in a cleaning solution
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dissection Act or process of dividing‚ taking apart stethoscope microorganisms pasteurization antiseptic asepsis vaccines anesthesial psychiatry telemedicine geriatric confidentiality worker’s compensation chronic outpatients occupational therapy recreational therapy hydrotherapy immunizations rehabilitation communicable obstetrics orthopedics urology managed care co-payment deductible preventive microorganism bacteria virus pathogen anaerobic aerobic parasites rickettsiae
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