laboratory techniques‚ such as handling the reagents‚ using Gilson pipettes etc‚ study and try to identify chemical tests for food compounds. Materials and methods Reagents Monosaccharaides (glucose‚ fructose‚ maltose)‚ sucrose (disaccharide) Starch (polysaccharide)‚ egg albumin (protein) DCPIP‚ Vitamin C Olive oil + Sudan III Ethanol (highly flammable) Iodine solution (irritant) Benedicts reagents KOH + CuSO4 HCl (irritant) Honey solution Apple juice solution Milk solution Precautions Gloves Safety goggle
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Hydrocarbon – Alcohols • Ethanol - 92.3% by weight of ethanol‚ 94.9% by volume. - 70 % which is used as local antiinfective • Diluted Alcohol - 48.4 % to 49.5% used as solvent • Brandy - distillation from wine • Whisky - fermented malted grain • Rum fermented molasses Product of Reductive Metabolism • Mannitol • Ash Manna • Fraxinus ornus – Oleaceae • Osmotic diuretic • Laxative Product of Reductive Metabolism • Sorbitol- Mountain ash • Sorbus aucuparia Rosaceae • Half as sweet as
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VACOMYCIN-RESISTANT ENTEROCOCCI (VRE) IN THE AUSTRALIAN HEALTH-CARE SECTOR This essay will look at Vancomycin-resistant enterococci and what it is. Why has Vancomycin become resistant? Vancomycin use of for medical treatment‚ transmission of and risks to acquiring VRE infections in the Australian health-care sector. Recommended precautionary measures used to prevent the spread of VRE amongst patients and health-care workers in the workplace. Why is it becoming more prevalent in Australian health-care
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negatively charged DNA backbone‚ creating a DNA molecule with a neutral charge. When a cold polar solvent‚ like ethanol‚ is added to the DNA solution‚ the DNA is precipitated out of solution‚ leaving other cell components behind (proteins‚ lipids‚ polysaccharides‚ general cell debris). DNA can be isolated and precipitated using tissue from an onion. The cells are disrupted by manually chopping the onion into small bits‚ adding homogenization medium to the onion bits (a solution of dish detergent and salts)
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What are the “building blocks” of each molecule? For example‚ protein = Amino Acid. 1. carbohydrates: organic molecule with a carbon/hydrogen/oxygen ratio of about 1:2:1‚ including sugars and starches. EX: monosaccharides‚ disaccharides‚ polysaccharides 2. Lipids:
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Although your Original Medicare will not cover everything‚ Medicare Part B covers both installments of the pneumonia vaccine. To attain benefits that are not included in your Original Medicare Plans‚ you may want to purchase a Medicare Advantage Plan (Medicare Part C). Medicare Advantage Plans Medicare Advantage Plans offer the same benefits as the Original Medicare Plan‚ (minus the long-term/custodial care; however‚ that care is still covered under Part A of your Medicare Plan). Medicare Advantage
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having a specific function in the cell. The organelles are by membranes divided in proficient sections .The plant cell is made up of a rigid thick wall. Cell walls protect cells and help maintain their shape. The cell walls of the plant contain polysaccharide cellulose. An important organelle found in plant cells but not animals‚ is the chloroplast‚ where photosynthesis takes place. Plant cells also have a large central vacuole a compartment that store water and chemicals. 2. I hypothesize as the
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jellyfish are 99% (hence the transparency). It plays vital roles in the metabolism of all cells and in photosynthesis (providing raw materials) in plant cells. In all cells water is used for; hydrolysis‚ the breakdown of a substance by water‚ e.g. polysaccharides to monosaccharides‚ forming a glycosidic bond; a medium for chemical reactions‚ due to its properties as a solvent; the diffusion and osmosis of substances‚ e.g. gaseous exchange‚ which need to be moist as the exchange takes place in solution
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The scientific Method 1. Scientific Method- scientific investigation involving the observation of phenomena‚ the formulation of a hypothesis concerning the phenomena‚ experimentation to demonstrate the truth or falseness of the hypothesis‚ and result that validates or modify the hypothesis. Mechanist- Has belief that only natural forces govern living things‚ along with the rest of the universe. Vitalist- believes that the universe is at least partially governed by supernatural powers. Cause
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* He was born in Germany on December 11‚ 1843. * Koch decided to change his area of study to medicine from natural science‚ as he aspired to be a physician. * In July of 1867‚ following his graduation from medical school‚ Koch married Emma Adolfine Josephine Fraatz‚ and the two had a daughter‚ Gertrude‚ in 1868 * After his graduation in 1866‚ he worked as a surgeon in‚ and following his service‚ worked as a physician in what today is known as Wolsztyn‚ Poland the Franco-Prussian War
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