Extraction of DNA from an Onion Molecular biologists and biochemists are involved with research in finding out as much as possible about the DNA in plants. DNA was discovered in the 1950’s‚ there still remains a lot to be known about it‚ especially how it is used to determine the physical traits that we all have‚ and how it regulates the workings of the body. deoxyribonucleic acid is a chemical‚ we can do reactions with it just like we can work with any other chemical. Experiment: Note:
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Hall Take Home DNA Extraction Lab If I used Dish soap instead of Liquid detergent then the DNA would take longer to rise because of the type of soap. Materials: -6 cups -Liquid Detergent -Spinach -Blender -Strainer -Meat Tenderizer -Rubbing alcohol 90% -Flat tooth Picks -Measuring Cup -Measuring Spoon -Salt -Water Safety Precautions 1. Wear Safety goggles just in case anything gets in your eyes 2. Wear an apron just in case anything splashes on you Procedure-
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water should be warm. Step five‚ wet the hands and wrists completely under the running water. The hands and forearms must remain under the elbows during washing. Step six‚ the individual must apply three to five milliliters of soap and rub the hands together forcefully‚ scrubbing thoroughly. The person may use soap granules and leaflet preparations. Step seven‚ while performing hand hygiene it is important to use plenty of lather and friction for at least 15 seconds.
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point of solids. Procedure: I got all of my materials together and set up. I poured rubbing alcohol in a beaker and rubber banded it with the thermometer. I logged the last bubble that came out of the capillary tubes. After that I crushed the acetamide and carefully put it in the capillary tube I rubber banded it to the thermometer and logged when the acetamide melted. Data Table: Observations Trail 1 Trail 2 Trail 3 Average Rubbing Alcohol boiling point ‘C 82 83 82 82.33 Acetamide
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Other purposes of this experiment include calculating the proper current for each LED‚ measuring the evaporation rate of rubbing alcohol‚ and being able to discuss the outcome of the relationship in light energy and the color of the light producing the energy. Materials: Light Emitting Diodes (red‚ green‚ blue) LEDs and circuits (from previous lab) Pipette (or eyedropper) Rubbing alcohol Index card 9-volt battery Flashlight Stopwatch Small cardboard box (shoe box) Procedure: 1. Create
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REVIEW OF RELATED LITERATURE Microbial load on unwashed hands There are grave consequences when people do not wash their hands or wash them improperly. It is known that hands are the main media for contaminants getting to people‚ whether the infections are airborne‚ oral or tactile. Infectious diseases that are commonly spread through hand to hand contact include the common cold‚ and several gastrointestinal disorders such as diarrhoea (WaterAid‚ 2006). Human hands usually harbour microorganisms
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1. What skills were used to create this product? Outline one of the skills and how it is performed correctly. The skills used to create this product was rubbing the butter into the flour‚ creaming the butter and sugar together and strecking the gulten in the dough. Rubbing the butter into the flour is important because it is coating the grains in the flour with butter and because of this the other grains can slide over to form air in the dough. When the dough is in the oven it rises and becomes fuffy
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upholstery care guide upholstery care guide ACTIMA - RCS Nanterre B 400 009 981 all about leather YOU’VE JUST PURCHASED A ROCHE BOBOIS SOFA: You’ve been captivated by its sleek design and color; now you’re ready to discover the secrets beneath its elegant surface: how it was built‚ and how to preserve its fine quality. This manual will guide you through the care and maintenance of your ROCHE B OB OIS Sofa. THE ➀ ROCHE BOBOIS BEGINS AT THE TANNERY. BEAUTY‚ ALLURE‚ AND SUPPLENESS
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bonding and London dispersion bonding in water and rubbing alcohol. Hypothesis: I believe water will have the greater surface tension because rubbing alcohol’s density is lower than water’s. Materials: * Water * Isopropyl alcohol (rubbing alcohol) * Pennies * Paper clips * Flasks * Cups or jars * Wax paper * Eyedropper Procedures: Part 1: Surface tension and vortex: * Fill one flask half way full with rubbing alcohol. * Fill another flask half way full
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Abrasive wear occurs under two conditions: * Two body abrasion: In this condition‚ one surface is harder than the other rubbing surface as shown in figure 1.5(a). Examples in mechanical operations are grinding‚ cutting‚ and machining. * Three body abrasion: In this case a third body‚ generally a small particle of grit or abrasive‚ lodges between the two softer rubbing surfaces‚ abrades one or both of these surfaces‚ as shown in figure 1.5(b). In the microscale‚ * The abrasive
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