"Catalase liver and potato lab" Essays and Research Papers

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    This could then be focused by the student as follows: “Does ethanol concentration affect the activity of bovine catalase?” It is not sufficient for the student merely to restate the research question provided by the teacher. Variables are factors that can be measured and/or controlled. Independent variables are those that are manipulated‚ and the result of this manipulation

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    Enzyme Catalysis Lab

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    into the wonderful world of catalase. Beginning with establishing a base line of just how much hydrogen peroxide there is in 5.0mL of the reacted solution; to figuring out exactly how much actually reacted after 300 seconds of catalyzed reaction. Follow the experiment from the beginning steps right to the end as you see where the students went wrong‚ interpretation of the results‚ and great answers to work sheet questions. Now‚ dive into the amazing world of catalase catalysis. Background Information:

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    Enzyme Lab Report Essay

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    being changed by the reactions. In lab they tested this by seeing how H2O2 and the catalysts from the banana and liver react to make H2O+O2. Depending on different conditions; like decomposition of H2O2 (surface area)‚ temperature on function‚ reusing the catalase‚ reaction rate of iced liver returned to room temperature‚ and effects of pH on enzyme activity‚ to see how much O2 was released by each reaction. For experiment two they tested effect of temperature on liver‚ iced had a slow increase of O2

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    Store-check Report I. Introduction Potato chips is the most popular and common snack for Filipinos‚ both children and adults. The objective of this study is to deliver to customers the different pricing trends of the producers of potato chips to its market. One of the leading brands that is fast-selling is Jack n’ Jill’s Piattos. This potato chip brand runs through the market in many countries including Thailand‚ Malaysia‚ China‚ Indonesia and Vietnam for 46 years (Source: http://www.universalrobina

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    I have been asked to investigate the effects of osmosis on potato cell sap. I will test potato cylinders in different strengths of sucrose solution and record any results in a table. I will then analyse my findings and work out the isotonic point of the potato cell sap. Prediction I have looked at my scientific knowledge from the background theory I carried out and I will base my prediction upon this information. In this experiment‚ I expect the different concentrations to show fairly noticeable

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    and plants cells. In human bodies‚ the process of osmosis is primarily found in the kidneys‚ in the glomerulus. In plants‚ osmosis is carried out everywhere within the cells of the plant (World Book‚ 1997). This can be shown by an experiment with potato and glucose/salt solution. The experiment requires putting a piece (or more) of potatoes into glucose or salt solution to see the result of osmosis (a hypertonic type of solution is mostly used as it would give the most prominent visual prove of osmosis

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    Peroxidase Lab

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    Abstract The enzyme peroxidase has been shown to break down H2O2. Enzymes are known to increase the rate at which a chemical reaction occurs. We looked at factors that affected the breakdown of hydrogen peroxide. These effects are the different temperatures and pH levels the enzymes were placed in. We found that the optimum‚ or best condition‚ temperature for the enzymes tested was about 22 degrees Celsius. The optimum pH level for the enzyme was 7. Introduction Enzymes are biochemical that catalyze

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    test the difference in enzyme activity on fresh liver were; 4 °C‚ room temperature which was 22°C‚ body temperature which is 37°C‚ and 77°C. The total time of each trial was 2 and a half minute‚ 1 minute for the H2O2 to acclimatize to the temperature‚ 1 and a half minutes for the reaction to occur. Catalase causes Hydrogen Peroxide to break down into water and oxygen. Therefore the difference of enzyme rate reaction was determined by putting liver into hydrogen peroxide mixed with detergent and the

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    Osmosis Lab

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    pressure exerted on either side of the semi-permeable membrane. A potato (Solanum Tuberosum) contains 92% water‚ which is an osmotically active component. The precise osmotic potential of sweet potatoes is however unknown. The osmotic potential of sucrose is know to be at 20 oC‚ the osmotic potential of sucrose is 2.436 MPa2. The rate of osmosis will be calculated by measuring the percentage change in mass of a piece of potato‚ that has been submerged in a specific concentration of sucrose over

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    Lab Report Chemistry Lab

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    Since the Grignard reagent can easily react with water‚ all glassware including the 25 ml round bottom flask‚ magnetic stir bar‚ 3 and 5 ml conical vial‚ 50 mL Erlenmeyer flask‚ claisen adapter‚ drying tube and 5 glass pasteur pipets were first added to a 250mL beaker and placed in the oven for 30 minutes.  After the completion of the thirty minutes‚ 0.150 g of shiny magnesium turnings and a stir bar was first added to the round bottom flask and the claisen adapter along with the drying tube packed

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