Babylon Revisited: Analysis Of Characters. Charlie Wales Despite his many flaws‚ Charlie is a man whom almost everyone can’t help but like. It’s surprising that Charlie’s so likeable considering his wild past of uncontrollable alcoholism‚ his possible complicity in his wife’s death‚ and the fact that he essentially abandoned his child. He seems so earnest in his efforts to reverse the situation. We also note that he rejects his former friends and he merely takes only one drink per day. Fitzgerald
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In a positive test for starch the colour of the substance would change to black c) In a positive test for protein the colour of the substance would be pink or purple/violet d) In a positive test for lipids the substance would leave a translucent stain on the brown paper bag 2. The purpose of testing the four test tubes was to ensure that the colour change that occurred in the substance was due to a chemical change and not the substance being added to it. 3. The student saw a colour change happen
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and ethanol is added to water the ethanol will combine preferentially to the water‚ leaving the ethanol to form tiny globules in the water. These globules then form a white emulsion. Sudan III is a dye which binds preferentially to lipids and will stain them red. When lipids are in an aqueous suspension‚ the dye will colour them red whilst the water remains a light pink. Method: The presence of lipids was tested for in various food substances using the ethanol emulsion test‚ the grease spot test
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Related Studies Lemon is a fruit that contains acid that can be able to remove stains or an agent that can be used as a cleaning solution‚ specifically‚ a tile stain remover. The acid in lemon juice removes dirt and rust stains. It’s especially effective when mixed with salt‚ which makes “an alternative cleaning agent”. It is also known for it contains most citric acid among those citrus fruits. Grapefruit can help you clean your body and your home as well as keeping you healthy and
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my quest by conducting a Gram stain on my bacteria. I prepared a smear by placing a drop of water onto the center of a slide and then removed a loop full of bacteria to place within the water droplet. I use the aseptic treatment while doing this making sure to flame the inoculating loop before and after transferring bacteria. It was important to get this done correctly because the test determines the stain as well as the shape of the cells. After looking at my stain under the microscopic I came to
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look whiter and brighter. Natural Whitening Solutions Many people start with a natural whitening solution. Be aware that they typically require a natural abrasive material to whiten teeth‚ which are better used for light stains on the tooth’s enamel. This includes superficial stains caused from drinking coffee or red wine. Two popular natural whitening solutions include baking soda and turmeric. When you combine baking soda with water‚ it makes a paste that can
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Sophocles’s Greek play “Oedipus The King” details the town of Thebes‚ and their struggle with plague‚ caused by a “polluting stain”‚ who was later revealed to be King Oedipus himself‚ who slayed his father and wedded his mother. Throughout the text‚ Oedipus keeps a very prideful demeanor‚ seeing himself as incapable of fault‚ which ties into the main idea of escaping fate. Sophocles uses expertly crafted metaphors to convey the main idea of the piece of Greek theatre. The King of Thebes‚ Oedipus
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S38. Everybody is supposed to do all sorts of test to identify the bacteria. The first thing I did was smear my bacteria on a liquid medium. I then proceeded to incubate the medium for 24-48 hours. 1. GRAM STAIN The next step I took in finding my unknown bacteria was to gram stain it. This is used to differentiate the bacteria. The different staining reagents are: crystal violet‚ grams iodine‚ acetone-alcohol‚ and grams safranin. Under the microscope it was a pink color‚ which means Gram Negative
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Microorganisms are classified according to their structure. By means of flow charts‚ diagrams and tables explain the differences between Viruses‚ Bacteria‚ Cyanobacteria‚ Achaea and Fungi. Bacteria or bacterium are unicellular microorganisms. They are essentially only a few micrometres long and form of various shapes including the spheres‚ rods and spirals. A BACTERIAL CELL Illustration courtesy of Wikipedia. A Virus (from the Latin noun virus‚ meaning toxic or poison) is a sub-microscopic
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LAB REPORT PRACTICAL M1 TESTING FOR MACROMOLECULES Title : Testing for Macromolecules Abstract : To test for macromolecules (carbohydrates‚ lipids‚ nucleic acids‚ and proteins)‚ iodine solution‚ alcohol‚ aceto-orcein stain and copper sulfate solution are used. The conclusions for all of the tests are positive. Introduction: A) Carbohydrate (starch) Carbohydrates are chemical compounds that contain oxygen‚ hydrogen‚ and carbon atoms. They consist of monosaccharide
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