A pathogenic or an infectious disease is caused by an external infectious agent or pathogen such as viruses‚ bacteria‚ parasites and fungi. These pathogens are found in water‚ soil and air and a human body can be infected from drinking‚ eating or touching something infected with germs. Examples of a bacterial pathogenic disease are pneumonia and gonorrhea‚ while viral pathogenic diseases include influenza and measles. An example of a parasitic pathogenic disease is malaria‚ while an example of
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Objective: To successfully separate and identify all three unknown cations‚ found in a mixture and belonging to one of two specific groups (2 from one and 1 from the other). In order to do this we will be using various tests and reactions and observing the effect they had on our solution. Materials: Pasteur pipets Bunsen Burners Stirring rods Excess reagents Hot plates Sample QA unknown 101-5.7 Table of steps and observations: Step/Test |Observation |Inference | |2-1
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differences between bacteria‚ viruses‚ fungi and parasites. Answer to 1.1 – The difference between bacteria‚ viruses‚ fungi and parasites are: Bacteria – Bacteria is a single celled organism‚ bacteria have evolved to be in any environment and can be found in any substance/surface and also in the human body‚ only 1% of bacteria is actually harmful. It’s bad or infectious bacteria that causes illness as they rapidly reproduce and produce a toxin that kills or mutates cells‚ bacteria is also self-sufficient
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This is because gold is very resistant to bacteria. Bacteria are microscopic single-celled organisms. Bacteria are prokaryotes‚ meaning the entire organism consists of a single cell with a simple internal structure. The DNA of a prokaryote is neatly packed in the nucleus. The bacterial DNA floats freely in a twisted threadlike mass called the nucleoid. Gold is unaffected by almost everything. The only materials that can affect gold are man-made. Since bacteria are a natural organism‚ it cannot react
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Lab Eight: Identification of HydrocarbonsWebGoogle+GmailDocsmore ▼ All DocsEdit Orgo Chem Lab 8 Lab Eight: Identification of Hydrocarbons Organic Chemistry 311 Abstract: Unknown hydrocarbon K was identified by using purification‚ determination of boiling point by using the capillary tube technique‚ the calculation of density and obtained refractive index value from the Abbe-3L refractometer. The density was not useful due to an error of the machine but the boiling point and refractive index
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Application of lactic acid bacteria There are four major categories for the current uses and applications of LAB: food‚ cosmetic‚ pharmaceutical‚ and chemical applications. In food industry Recent years the interest increased in using LAB by using bacteriocin-like inhibitory substances (BLIS) because of their potential use as a natural antimicrobial agent to enhance the food safety of food products and increase the nutritional values of the food. Foods that fermented by LAB such as cheese
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Physiological arousal has been theorized to affect size perception in prior research (Geuss‚ Stefanucci‚ de Benedictis-Kessner‚ & Stevens‚ 2010). Geuss’s team of researchers employed jogging in place as well as counting backwards by sevens to induce physiological arousal in a subject‚ each in a different experiment of their 2010 study. Both continually jogging in place and counting backwards by sevens were found to induce physiological arousal (2010); the arousal level was measured using heart rate
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Running head: CHARACTERISTICS PAPER Characteristics Paper Ottia Birl‚ Jamie Howell‚ Tomeka Murray‚ and Ronald Smith Psych/535 February 28‚ 2011 Evangelina Alonso‚ Psy.D Characteristics Paper Introduction The United States is made up of several different cultural groups. All of theses cultural groups are made up of their own morals‚ religions‚ beliefs‚ and characteristic traits. Team B (Ottia Birl‚ Jamie Howell‚ Tomeka Murray‚ and Ronald Smith) will discuss researched information about
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-Unknown Mixtures Lab- Purpose: The aim of this experiment was to find out the two substances of the unknown mixture from salt‚ sugar‚ dirt‚ and baking soda by looking at its properties. Hypothesis: Find the unknown substance by testing it out by heating it‚ pouring water‚ vinegar‚ and observing it . Procedure: 1) Materials- * 100ml of water * Vinegar * Bunsen Burner * 2 beakers * 1 spatula 2) First‚ do steps (3-6)to find out the properties of salt‚ sugar
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able to observe motility? Carbohydrate Fermentation Testing Questions A. What is fermentation? B. Why is it important not to incubate the fermentation tubes beyond 24 hours? C. Why is phenol red added to the fermentation tubes? D. Why do bacteria have differences in the carbohydrates they can ferment? E. Why does the formation of yellow color indicate fermentation? F. What information can be gained by running a fermentation series on a particular microbe? G. What does a dark pink or red
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