Introduction There are both virulent and non-virulent bacteria and fungi that grow on plants. It is difficult to distinguish between the two without proper inspection and diagnosis of the diseased plant to know whether the bacteria or the fungus in question is the virulent or non-virulent one. Therefore pure cultures need to be isolated to know with absolute certainty which is the causative bacteria or fungus. Potato dextrose agar is a good nutrient agar for mycelia to thrive on which is present
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pathogen is a tiny non-visible disease causing microorganism such as Bacteria‚ Virus and Fungus. Both the scientific name and common name for Actinomycosis is Actinomycosis. The pathogens that cause Actinomycosis are from a species of Actinomyces‚ most commonly known as Actinomyces Israelii and Actinomyces Gerencseriae. The species of Actinomyces are an Actinobacteria class of Bacteria. The pathogens are endogenous‚ meaning the bacteria originate from inside the body‚ making them not liable to be transmitted
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Unable to read the Gram Stain at first it was later confirmed that Unknown #7 was a gram negative bacteria. When introduced to Starch Unknown #7 produced no zone of clearing showing that it did not contain the enzyme amylase. When introduced to the Lipid Unknown #7 did produce a zone of clearing indicating that it did contain the enzyme lipase. When introduced to Casein Unknown #7 produced no zone of clearing indicating that it did not contain the enzyme protease. When streaked onto the Gelatin‚
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Ch. 18. viral and bacterial genetics Virus Not living‚ nucleic acids and proteins Viriods and prions Viriods: Single stranded circular Rna Prions: only protein Bacteria Living‚ prokaryotes 1 Seven characteristics common to life Cells and organization Energy use Respond to environmental change Regulation and homeostasis Growth and development Reproduction Change over the course of generations 2 Viruses Over 4‚000 different types of viruses Virus have their
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Bacterial Morphology Demonica Britt Microbiology DL1 March 23‚ 2013 Abstract This lab was performed to identify and familiarize with a microscope while precisely observing various bacterial shapes and their arrangements in different types of specimens of bacteria. The microscope parts and capabilities were clearly identified and used successfully and the bacteria were clearly illustrated showing the bacterial shapes and arrangements with all the appropriate magnification being utilized. Through
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What are bacteria? Bacteria are very different from viruses. First of all‚ bacteria are much larger in size. The largest virus is only as big as the very smallest bacterium (singular for bacteria). But bacteria are still microscopic and cannot be seen with the naked eye. They are so small that the sizes of bacteria are measured in micrometers (10‚000 micrometers = 1 centimeter). By comparison‚ the head of a pin is about 1000 micrometers wide. Though more complex than a virus‚ the structure of a
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Lab Report Preparation Guidelines—IR Spectroscopy‚ General Unknowns‚ CH 315. Introduction/Purpose State in simple terms what the purpose was. Since one is issued a vial of an unknown substance‚ the “purpose” as such is not exactly in doubt. The object is simply to state that obvious purpose‚ as well as summarize (a comma-ed list here is fine) the various means‚ tests‚ so forth that are performed in the approximate order that they are performed. (approximately 10 points) Experimental
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over 99% of bacteria or antibiotics aren’t discovered. However‚ recently a new antibiotic called teixobactin was discovered. This antibiotic prevents the synthesis of a cell wall by binding to a motif of lipid II and lipid III molecules. The goal of this experiment was to discover how teixobactin interact with bacteria and how it is able to effectively kill pathogens. A device called the iChip was used to discover teixobactin. The iChip helped to isolate and grow uncultured bacteria. Multiple iChips
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1. Identify unknown word: | 2. What is the context? | 3. Meaning seems to be... | 4. Dictionary definition is... | treachery | “After the siege and the assault has ceased at Troy‚ the city had been destroyed and burned to brands and ashes‚ the warrior who wrought there the trains of treason was tried for his treachery…” | Deception | Disloyalty‚ betray | mirth | “The King lay royally at Camelot at Christmas tide with many fine lords‚ the best of men‚ all the rich brethren of the
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“Should we manipulate the DNA of bacteria?” This is a question that has no definite answer‚ but a limitless amount of controversy. Since DNA is the code within each and every cell that instructs them on how to function and bacteria are rapidly reproducing microbes‚ genetic engineering is something to be considered. In fact‚ Bacteria were the first organisms to be genetically engineered. Modifying or manipulating the DNA of microbes and bacteria should continue to be allowed because it can be used
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