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Microbiology Essays

The Determination of Microbial Numbers Objectives

Objectives: * Practically every phase of microbiology requires method for measuring microbial numbers. * Study the theoretical relationship of one bacterial cell, or clump of cells. * Study the effect of dilution to the bacteria growth. * Determine the cell masses of a culture in order estimates the total cellular …

The Oral Care Imperative

Oral health has increasingly become a priority issue for healthcare agencies in North America and worldwide. This review article attempts to (1) inform various healthcare providers of the risk factors that can arise from poor oral hygiene, specifically aspiration pneumonia; (2) report the mechanisms of bacterial colonization that are responsible …

Nanobacteria Case

Nanobacteria newly discovered cell walled microorganisms significantly contributed to turmoil around conventional medicine and its further development. Moreover, if nanobacteria are considered to be living organisms, some scientists speculate that they should be regarded not as bacteria but a newly discovered form of life. From the scientific perspective, nanobacteria have …

Koch's Postulates

Abstract: It is important to be able to identify pathogenic bacteria that may be causing harm. Tomato crops can be affected by several different pathogenic bacteria. By using Koch’s postulates, it was determined that Pseudomonas syringae was the bacteria causing rot. There are four criteria that must be met when …

Bacteria a Helpful Organism

One purpose of this paper is to show the importance of biology in our everyday life. The subject of this paper is the cause and affects of micro-organisms that are in the human digestive system. Article of choice, (Adnan, 2010) Benefits of Microorganisms to Humans, Retrieved February 8, 2013. This …

Compilation of Microbiology Staining Q&A

Identification and classification of bacteria is important to make easier manipulation on the bacteria for various purposes such as for medical, research, developmental, and biotechnicalfieldsThe cell wall is the basis for classification of bacteria according to the Gram stain. Accordingto the chemical make up of bacterial cell wall, a staining …

Exercises in Microbiology

Take interest, I implore you, in those sacred dwellings which one designates by the expressive term: laboratories. Demand that they be multiplied, that they be adorned. These are the temples of the future—temples of well-being and of happiness. There it is that humanity grows greater, stronger, better. Louis Pasteur (French …

Antimicrobial Suscepibility Pattern of Escherichia Coli

The leaves of Chromolaena odarata (commonly called siam weed) which is an ancient remedy for the treatment of wounds and many ailments was tested for its antimicrobial activities on staphylococcus aureus and Escherichia coli at different concentrations. The agar pour plate method was used to test for its antimicrobial activity …

Microbiology Pioneers

Pioneers of Microbiology I. Antonie van Leeuwenhoek (Oct. 24, 1632- Aug. 30, 1723) A. In 1676 Leeuwenhoek saw tiny organisms in water, he was the first man to observe and describe bacteria accurately. He discovered microscopic nematodes, blood cells and sperm. He also made over 500 microscopes to view specific …

Valenzuela City Science High School

Escherichia coli is a Gram-negative, rod-shaped bacterium that is commonly found in the lower intestine of warm-blooded organisms (endoderm’s). Most E. coli strains are harmless, but some serotypes can cause serious food poisoning in humans, and are occasionally responsible for product recalls. The harmless strains are part of the normal flora …

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