6 grams Colony Counts: PDA 10-1: 210‚ 190 AMA 10-4: 125‚ 119 SCA 10-4: 80‚ 62 10-2: 20‚ 34 10-5: 17‚ 29 10-5: 18‚ 2 Algal Medium (no. of + tubes/ no. of inoculated tubes): 10-1: 5/ 5 10-2: 5/ 5 10-3: 3/ 5 10-4: 1/ 5 10-5: 1/ 5 b. Potato Dextrose Agar used in the above exercise was compounded and supplemented with 50ppm of Rose Bengal and 100 ppm of Streptomycin. Compute for the amount of each component of this medium (exact volume used) considering that Rose Bengal is in powder
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Diffusion and Osmosis Using “Deshelled” Chicken Eggs Introduction In order for a cell to survive and function‚ it must maintain an internal steady state of environment in the midst of an ever-changing external environment. This steadiness is provided by the regulation of the movement of materials across its plasma membrane. Since not all substances penetrate the membrane equally well‚ the membrane is said to be differentially permeable. (IS) Diffusion is the tendency of molecules
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amount of water‚ adding more‚ if needed until the baking soda is completely dissolved. Alternatively‚ if the baking soda dissolves readily‚ the student may need to add more baking soda. 5. Dip a new pH strip into the cup. 6. Compare the color of the pH strip to the color chart included with the strip and record the pH. 7. Pour a small amount of vinegar into the corresponding cup. 8. Repeat Steps 5 and 6. 9. Repeat Steps 7 and 8 for each
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“Is Starch Permeable in Cells? Abstract This report presents the weights of 3 samples of water with various amounts of solute after the use of osmosis. Three different tests were performed‚ each with a beaker of water containing varying amounts of starch from 30% concentration (12.5 grams of water) to 15% concentration (9.5 grams of water)‚ and then 0% (10.5 grams of water). To start this experiment‚ we put water into a make-shift dialysis tube‚ a type of semi-permeable membrane tubing made
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The Great Depression was an economic crisis that put millions on the streets. The Great Depression happened when the stock market crashed as an effect‚ thousands of people lost their jobs‚ houses‚ cars‚ and more. The Great Depression lasted a long ten years from 1929 till 1939. The United States was in a place of financial despair and families were greatly affected by the struggling economy. Families were in desperate need of help during this time. The difficulties people had were things like‚ finding
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* Potassium chloride administered intravenously must always be diluted in IV fluid and infused via a pump or controller. The usual concentration of IV potassium chloride is 20 to 40 mEq/L. Potassium chloride is never given by bolus (IV push). Giving potassium chloride by IV push can result in cardiac arrest. Dilution in normal saline is recommended‚ but dextrose solution is avoided because this type of solution increases intracellular potassium shifting. The IV bag containing the potassium chloride
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differentiate colloid and crystalloid IV fluids Understand osmosis as it pertains to water movement with IV therapy Define tonicity and the actions of isotonic‚ hypotonic‚ and hypertonic crystalloids in the body Identify the three most common IV solutions used in the prehospital setting‚ and classify them as isotonic‚ hypotonic‚ or hypertonic Describe how an IV fluid is packaged and important information located on the label of the IV fluid KEY TERMS 5% Dextrose in water—A carbohydrate solution that uses
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McDonald’s Corporation Comprehensive Case Analysis Introduction About everyone at some age‚ at some point or another‚ and in some country has gotten a sample of American’s symbol for fast food through the golden arches of McDonald’s. This report will attempt to analyze the external and internal sectors that affect the company’s success. The external analysis will provide opportunities and threats while the internal analysis will show indicators of strength and weakness. It will then follow
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lower concentration (of water) compared to the concentration of water inside the cell. In this case osmosis will cause more water to move out of the cell than will move in the cell and the cell will shrink. In this case‚ we say that the solution is “hypertonic”. Learn more about osmosis and diffusion from Chapter 3 of your textbook. CELERY EXPERIMENT We can place celery in three different water solutions to observe the effects of osmosis on the celery stalks. Salt will serve as our solute to
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Biological Molecules: Carbohydrates‚ Lipids‚ Proteins By the end of this lab‚ the student should be able to: Identify the functional groups for each of the biomolecules that react in the following biochemical tests: Benedict’s test‚ Iodine test‚ Brown Bag test‚ Sudan III/IV test‚ and the Biuret’s Test. Describe the mechanism of reaction for: Benedict’s test‚ Iodine test‚ Sudan III/IV test‚ and the Biuret’s Test. Interpret the results when presented with data for each of the biochemical
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