• 1x Test Tube Rack • 2x Test tubes • 1x Delivery tube (U bend) with rubber stopper • Lime water • 1M HCI • 2 Large marble chips • 4-5 Small marble chips • 1x Stopwatch • 1x Black card with blue tack Method: Step 1- Arrange test tubes and delivery tube. Step 2- Arrange black cardboard behind the rack (this is to provide a contrast to the reaction) Step 3- Fill the unstoppered test tube with lime water‚ making sure to fully cover the end of the delivery tube. Step
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conditions on the hydrogen peroxide decomposition. Apparatus : Beaker ‚ Water bath (95°C) ‚ Glass rod ‚ Boiling tubes & test tubes‚ pen knife/blade ‚ parafilm Materials : Fresh liver ‚ manganese dioxide ‚ wooden splinters ‚ potato cubes ‚ 10% hydrogen peroxide Procedures : 1. Six clean empty boiling tubes as 1‚ 2‚ 3‚ 4‚5 and 6 is labeled. 2. The rovided liver is cut into three pieces of
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Investigating the Effect of Temperature on the Permeability of Membranes The permeability of membranes can be altered in several ways. From previous preliminary work I know that reagents‚ for example detergents and alcohol alter the arrangement of the phospholipids in the membrane allowing substances to leak out of the cell. Temperature also affects the membrane. As membranes relay on protein molecules to allow molecules to enter and leave the cell through facilitated diffusion the temperature must
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In this experiement it is the strength of the sugar solution. Variables Description: Constant Variables These stay the same all the way through the experiment and are the fair test rules. In this experiment that are that the amount of sugar solution used must always me 10.0ml. This is to be placed into the test tube. The solution needs to always be at the same temperature. We will make sure that all experiments are at 20 degrees centigrade before we start the experiment. The size of the potato
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Our Lady of Fatima University IN VITRO DETERMINATION OF THE ANTHELMINTIC PROPERTY OF FORMULATED SYRUP FROM CYPERUS ROTUNDUS‚ CYPERACEAE (BARSANGA) CRUDE EXTRACT An Undergraduate Thesis Presented to the Faculty of the College of Pharmacy Our Lady of Fatima University In partial fulfillment of the requirements for the Degree Bachelor of Science in Pharmacy By: Arellano‚ Angelique Dominika M. Bernas‚ Karol C. Cabulay‚ Ivy Mariz C. Calimpusan‚ Charisse B. Dela Cruz‚ Francheska
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Implementation My aim for this experiment was to find the effect of temperature on the membrane permeability of beetroot. Since I was unfamiliar with this experiment‚ I first conducted a preliminary test. I considered my preliminary test as my trial for this experiment. My Hypothesis for this experiment was to found out the amount of pigment loss of beetroot when exposed to varying temperatures. Betalain pigment found in beetroot My method for this experiment is:- * Use a cork borer to cut about
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a particular amount of oxygen as the amount of enzyme is decreased. The controlled variables in my experiment are the amount of hydrogen peroxide which acts as the buffer solution‚ this is necessary in order to ensure accurate results. The boiling tube in which the reaction takes place will also be kept the same and will be cleaned out with water after each reaction. This is necessary to avoid
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CHAPTER III MATERIALS AND METHODS This research study used the process of extraction to test the effectiveness of Acapulco (Cassia Alata) leaves in killing or eradicating the fungi Microsporum canis. The raw material that the researchers used in the experiment is the Acapulco with the scientific name Cassia Alata. It belongs to the family of Leguminosae. It is a shrub which is erected and grew for about 2 meters tall. The leaves of the plant posseses fungicidal‚ insecticidal and pesticidal
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higher the temperature the more pigments will leak out. Equipment used: Beetroot Cork borer White tile Knife Ruler Water baths (temperatures ranging from 0°C to 70°C with 10°C intervals) Crushed Ice Plastic beaker 250 cm3 8 boiling tubes 2 boiling tube racks Thermometer (one for each water baths) Colorimeter Cuvettes Stopcocks Distilled Water Pipettes Small measuring cylinder Independent variable: Temperature (°C) – this will be controlled by the water baths and each water bath
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Barium Iodide used- .63g Zinc Sulfate used- .45g Boling Tube with 2 boiling chips- 41.52g Barium Iodide in solution with 2 mL of deionized water looks cloudy. Zinc Sulfate in solution with 2 mL of deionized water is clear. Barium Iodide solution mixed with Zinc Sulfate solution turns milky white. After first centrifugation‚ solution separates into Barium Sulfate precipitate and Zinc Iodide supernatant. Supernatant is decanted into boiling tube. After second centrifugation we are left with more precipitate
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