MATERIALS 1.- Graduated cylinder 2.- Hydrogen peroxide 3.- Dish detergent 4.-Food coloring 5.-Potassium iodide 6.-Safety Glasses 7.- Lab smock PROCEDURE 1.-Put on your safety glasses and lab smock for your own safety. 2.-Pour the hydrogen peroxide into the graduated cylinder. 3.- Add 5 drops of food coloring to the hydrogen peroxide. 4.-Add the dish detergent to the peroxide in the cylinder. 5.- Then you pour the potassium iodide to the mixture and quicky back off. o you don’t want
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(2 pts) Which aspect of this experiment enables us to lyse the cell membrane? Both of these components can be broken down using detergent‚ which releases the components inside of the outer covering. The detergent essentially destroys the cell wall and the cell membrane. All contents inside of the cell are released which includes organelles‚ proteins‚ and DNA. 4. (2 pt) Why did we mix the plant suspension with meat
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9.5 – Industrial Chemistry (Option): Δ. Construct word and balanced formulae equations of all chemical reactions as they are encountered in this module: The EQUILIBRIUM Constant: For the basic reversible reaction‚ depicted as: aA + bB cC + dD; Uses of SULFURIC ACID: Fertiliser Production: Creating ammonium sulfate: sulfuric acid + ammonia ammonium sulfate H2SO4 (aq) + 2NH3 (aq) (NH4)2SO4 (aq) Dehydrating Agent: Dehydration of ethanol: ethanol ethylene + water C2H5OH (l) C2H4 (g) + H2O (l) Dehydration
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Chapter 1 1. What is the most important difference between a computer and a calculator? [RQ‚ no. 2] A computer contains a microprocessor that can be programmed to understand data which helps make important decisions. A calculator can only be used to perform numerical mathematical calculations. 2. How are computers today similar to those from World War II? How are they different? [RQ‚ no. 3] Since the invention of the computer‚ the world needed a mechanism that had the power to compute and calculate
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lake. EPA investigators found that toxic substances were not present in the water‚ leaking of sewage into the water has caused an increase in the number of aerobic organisms in the sediment of the lake bed along the south shore‚ and that runoff of detergents and household fertilizers has caused an excess of algae around the south shore. From the data and graphs presented to me on pages 2‚ 3‚ and 4‚ I believe the algae accumulation in the lake is the cause of the dead fish. It could be because the algae
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liquid laundry detergent What buffer solutions are used for: This buffer solution is used in this lab for several reasons. First of all‚ the saltiness and acidity (pH) of the solution is very close to that in living things; as a result‚ the DNA will like to dissolve into this solution. Secondly‚ the detergent is added to help break down cell walls in the onion cells. Cell walls in living things are made of long polar molecules with a “greasy” end and a charged end. Because detergent is used to
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Experiment no: 01 Experiment name: Study on garments washing and dyeing machine. Objectives: * To observe about the garments washing and dyeing machine. * To study about the garments washing and dyeing machine. * To study about the mechanism of garments washing and dyeing machine. Equipments: * Garments washing machine. * Garments dyeing machine. * Hydro extractor machine. * Tumble dryer machine. * Electrical machine. * Air compressor. Specification
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used worldwide in biotechnology laboratories. A "Filtrate" is made of onions treated with salt‚ distilled water and detergent(SDS). An onion is used because it has a low starch content which allows the DNA to be seen more clearly. The salt shields the negative phosphate end of DNA which allows these ends to come closer so they can precipitate out of a cold alcohol solution. The detergent causes the cell membrane to breakdown by
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price as the major factor. 3 Which of the following statements demonstrates behavioral loyalty towards a brand? My friends agree Myfavorite Laundry detergent is the best. Myfavorite Laundry detergent is so easy to use. Myfavorite Laundry detergent smells good. I always buy Myfavorite Laundry detergent when purchasing laundry detergent Find the quiz answers here MKT 571 Week 1 Quiz 4 By 2015‚ projections indicate that the largest category of households will be composed of childless
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and hormones. DNA can be extracted from many types of cells. The first step is to lyse or break open the cell. This can be done by grinding a piece of tissue in a blender. After the cells have broken open‚ a salt solution such as NaCl and a detergent solution containing the compound SDS (sodiumdodecyl sulfate) is added. These solutions break down and emulsify the fat & proteins that make up a cell membrane. Finally‚ ethanol is added because DNA is soluble in water. The alcohol causes DNA to precipitate
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