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PROBINORM
PROBINORM

... The micro flora of the person possesses huge biological potential, sufficient for that, to ensure the full protection of the organism and its metabolic support. The structure of microorganisms of a biofilm is constant at healthy people and changes at pathological conditions. In norm microbiocenosis ...
UNIVERSITI MALAYSIA PERLIS UJIAN 2 Semester Kedua Sidang
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... control. 3. Environmental influences: Presence of organic material (blood, feces, saliva) tends to inhibit antimicrobials, pH etc. 4. Time of Exposure: Chemical antimicrobials and radiation treatments are more effective at longer times. In heat treatments, longer exposure compensates for lower tempe ...
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... – Converts nitrogen into ammonia – a form that plants can use ...
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...  Herpes II: causes blisters to appear in _________ region  HPV: wart in genital area (can cause cervical cancer in females) ...
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Bacterial Gastrointestinal Infection

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Modelling microbial growth
Modelling microbial growth

... It takes 20 minutes for one E. coli bacterium to divide to make two bacteria. Assuming there is nothing to limit their growth, how many bacteria would there be after eight hours? More than 16 million! ...
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Screening of some K enyan Medicinal Plants for Antibacterial Activity.
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... Devising a test to show how likely this explanation is to be true or false. Carrying out the test, and, on the basis of the results, deciding whether the explanation is a good one or not. In the latter case, a new explanation will (with luck) 'spring to mind' as a result of the first test. http://ww ...
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... meticulous use of disinfectants while the staff employs use of antiseptics to prevent skin flora from entering the surgical site. Often patients may require antibiotic therapy to prevent (prophylaxis) or treat invading pathogens. The action of antiseptics, disinfectants, and other antimicrobial agen ...
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Human Microbe Interaction PowerPoints

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... The most frequent and economically-important condition in humans resulting from interactions with our normal flora is probably dental caries. Dental plaque, dental caries, gingivitis and periodontal disease result from actions initiated and carried out by the normal bacterial flora. Dental plaque, w ...
Π-True/False Questions
Π-True/False Questions

... 6) The addition of which of the following to a culture medium will neutralize acids? A) buffers B) sugars C) pH D) heat E) carbon 7) Which of the following is an advantage of the standard plate count? A) can readily count cells that form aggregates B) determines the number of viable cells C) can be ...
CHAPTER - 2 MICROORGANISMS : FRIEND AND FOE
CHAPTER - 2 MICROORGANISMS : FRIEND AND FOE

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Worksheet - characteristics of bacteria - OISE-IS
Worksheet - characteristics of bacteria - OISE-IS

... - They thrive under extreme conditions (conditions that other organisms cannot tolerate) - Many live without oxygen - 3 types: thermophiles, methanogens, halophiles - Thermophiles live in extremely HOT environments (over 45) like hot springs - Methanogens grow on H2 and CO2 to procude methane gas, f ...
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Lecture 02, origins and prokaryotes - Cal State LA

... - Fungi (penicillins) - Soil bacteria of genus Streptomyces (erythromycin, streptomycin, ...
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Human microbiota



The human microbiota is the aggregate of microorganisms, a microbiome that resides on the surface and in deep layers of skin (including in mammary glands), in the saliva and oral mucosa, in the conjunctiva, and in the gastrointestinal tracts. They include bacteria, fungi, and archaea. Micro-animals which live on the human body are excluded. The human microbiome refer to their genomes.One study indicated they outnumber human cells 10 to 1. Some of these organisms perform tasks that are useful for the human host. However, the majority have been too poorly researched for us to understand the role they play, however communities of microflora have been shown to change their behavior in diseased individuals. Those that are expected to be present, and that under normal circumstances do not cause disease, but instead participate in maintaining health, are deemed members of the normal flora. Though widely known as microflora, this is a misnomer in technical terms, since the word root flora pertains to plants, and biota refers to the total collection of organisms in a particular ecosystem. Recently, the more appropriate term microbiota is applied, though its use has not eclipsed the entrenched use and recognition of flora with regard to bacteria and other microorganisms. Both terms are being used in different literature.Studies in 2009 questioned whether the decline in biota (including microfauna) as a result of human intervention might impede human health.Most of the microbes associated with humans appear to be not harmful at all, but rather assist in maintaining processes necessary for a healthy body. A surprising finding was that at specific sites on the body, a different set of microbes may perform the same function for different people. For example, on the tongues of two people, two entirely different sets of organisms will break down sugars in the same way. This suggests that medical science may be forced to abandon the ""one only"" microbe model of infectious disease, and rather pay attention to functions of groups of microbes that have somehow gone awry.
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