Project: The Effect of Calcium on Plant Growth Problem Statement What affect do various amounts (0 mg‚ 300 mg‚ 600 mg) of Calcium added to Vigna unguiculata (black eyed pea plants) once a week have on the overall growth (height‚ number of leaves‚ number of pods) over a 30 day period of time? Research Hypothesis If various amounts (0 mg‚ 300 mg‚ 600 mg) of Calcium are added to Vigna unguiculata (black eyed pea plants) once a week‚ then those plants receiving 300 mg of Calcium will have a greater
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that are essential for human survival and growth. As well as calcium‚ milk also has protein‚ potassium‚ phosphorus‚ vitamin D‚ vitamin B12‚ vitamin A‚ Riboflavin‚ and Niacin. The National Dairy Council states that with just one eight ounce glass of milk a day provides the same amount of vitamin D you would get from 3.5 ounces of salmon and more than 2 ¼ cups of broccoli. Milk helps build strong bones and teeth where most of the body’s calcium is held. It also improves bone density‚ which means a lower
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age‚ neonatal hypoglycemia‚ erythrocytosis‚ and hyperbilirubinia. Composite morbidity was present in 59% of untreated GDM‚ 18% of treated GDM‚ and in 11% of nondiabetic subjects (Langer et al‚ 2005). The most common complication was macrosomia/LGA (long gestationa age) which affected 46% and 19% of the newborns from treated and untreated mothers with gestational diabetes‚ respectively. The incidence of fetal death was 5.4. 3.6 and 1.8 per 1000 in untreated‚ treated and nondiabetic mothers‚ respectively
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channels close‚ potassium channels close‚ decrease in potassium and sodium. Calcium channels open‚ increase of calcium into cell. Phase 2- Plateau phase‚ membrane still depolarized (contract). Potassium channels closed‚ L-type calcium channels stay open. Lasts 0.2 seconds/200 milliseconds. Phase 3- second set of potassium channels open‚ potassium decrease. Failing membrane potential cause calcium channels to close‚ calcium decrease to cell. Membrane repolarizes to resting potential. Phase 4-
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and Disease By: Mackenzie Gray 112-69-7540 April 7‚ 2010 Rickets is a disease that deals with a deficiency with Vitamin D. Vitamin D is important by controlling calcium and phosphate levels. If the blood levels of these minerals become too low‚ the body may produce hormones that cause calcium and phosphate to be released from the bones eventually this leads to weak and soft bones. (2) Throughout this paper we will go over a variety of characteristics involving the disease of
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dilution of hydroxide ions. 1. Repeat the procedure in Part I‚ but use a serial dilution of NaOH followed by 5 drops of calcium nitrate in each well. Data Analysis Part I 1. Determine the concentration of the calcium ion in each well after the serial dilution but before the sodium hydroxide has been added. 2. Determine the concentration of the calcium ion in each well after the sodium hydroxide has been added. 3. Determine the concentration of the hydroxide ion in each well
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Introduction 3 3. Theory 4 4. Procedure 4 5. Results and Calculations 5 – 6 6. Discussion 7 7. Conclusion 7 8. References 8 1. SYNOPSIS The purpose of this experiment is to use the back titration method to determine the percentage of calcium carbonate in toothpaste. Instead of using standard titration methods where an acid is titrated directly using a standard solution of a base‚ back titration is used because the sample to be analysed‚ CaCO3 does not dissolve in water. Hydrochloric acid
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The equation for the reaction between a free calcium ion and an EDTA compound in pH of 10 is a 1:1 reaction which allows to see how many calcium ions were stabilized and therefore dissociated from the CaC2O4. This number of moles can then be multiplied by the molecular mass of CaC2O4 to find the initial weight of the ions that dissociated which
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Sealable‚ zipper-lock plastic bags‚ quart size‚ 6 Measuring spoons‚ teaspoon and half-teaspoon‚ 1 each Water‚ distilled‚ or deionized Phenol red‚ 0.02% aqueous solution 30mL Sodium Bicarbonate (solid)‚ 3 tsp. Calcium Chloride (solid)‚ 6 tsp. Safety Precautions: Calcium chloride is slightly toxic by ingestion. Phenol red is a dye solution and will stain skin and clothing. Avoid contact of all chemicals with skin and eyes. Be careful to mix the chemicals in the amounts called for in the
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first high-calcium full cream milk for kids in the Philippines but was pulled off the market after two years of unsuccessful market penetration. Issue: What marketing plans could Mr. Gonzales suggest to the senior management to bring back Andec? Recommendation: In order to bring back Andec‚ Mr. Gonzales should suggest the following (ranked based on importance?/priority?): 4P’s: Product: Andec – A high calcium milk formula with vanilla flavor. It had more calcium and other
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