The Effects of pH‚ Temperature‚ Enzyme‚ and Substrate Concentrations on Benzoquinone Production BIOL 2051 June 10th 2013 Introduction Enzymes are the ultimate catalysts of living things. Enzymes are made of proteins which are structured and directed by amino acids chains. Enzymes attract and fit substrate molecules to an active site. The active site binds the substrate molecules covalently to enzyme forming an enzyme-substrate complex‚ which catalyzes
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3. Price and Supply Inflation Trend 3.1. The Consumer Price Index (CPI) based annual inflation rate that had earlier shown rising trend since the FY 2005/06 and attained highest point of 12.6 percent in the FY 2008/09 has come down in the last two fiscal years. Although‚ inflation rate had stood below 5.0 percent for about half a decade prior to the FY 2005/06. Both the internal and external causes have influenced the rise in inflation rate in the past few years. Frequent closures‚ strikes
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Diffusion and Osmosis Through Dialysis tubing We did this experiment to test the diffusion of different substances through dialysis tubing. We used what we knew about diffusion to make predictions on what we thought the mass of the dialysis tubing to be after submerging them for 30 mins and we knew that diffuse occurs from highest concentration to lowest concentration. Since the dialysis tubings are filled with different substances than what they are being put into then they should all gain
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from? Where are they moving to? I predicted that the potato would lose mass‚ and the mealworms would gain mass. I predicted that the BTB would lose mass. My last prediction was that the atoms are moving from the potato and into the mealworms. Steps for our procedure: 1.)Get container deep enough so mealworms can’t crawl out‚ with holes for them to breathe. 2.)Record container mass (empty)‚ Record container with mealworms‚ Record mass of potato and lastly record mass of BTB. Do all this before experiment
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happens to the amounts of gas produced in a catalyzed reaction of Hydrogen Peroxide when the catalyst is mixed with an acid? Theory/Hypothesis: In this experiment the researcher and their team will be performing tests on a catalyst (proteins found in potato) to see what will happen when the catalyst in a Hydrogen Peroxide reaction is treated with an acid before the reaction occurs. The researcher hypothesizes that the after treating the catalyst with an acid the amount of gas pressure produced will decrease
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gradient. Prediction: When the potato cylinder is placed in a high water potential sucrose solution I think it will increase in mass‚ and length. This is because the solution has a higher water potential than the cells in the cylinder‚ water molecules will travel from a high water potential (The solution) to a low water potential (The potato cylinder) through a semi-permeable membrane by osmosis. More molecules will enter the cell then leave it‚ so the potato cylinder will swell‚ as the cells
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Chenneth S. Torres‚ Vincent Joseph P. Villaceran‚ Danielle P. Submitted to: Asst. Prof. Eufemio Barcelon Ph.D Submitted on: September 18‚ 2013 I. Results Rootcrop | % Alkaloid Average | Cassava | 95.17 % | Sweet potato | 82.51 % | Taro | 93.71 % | Potato | 91.68 % | Table 1. Determination of Alkaloid Raw Data Rootcrop | Weight of pre-weighed filter paper(g) | Weight of filter paper with ppt before drying(g) | Weight of filter paper with ppt after drying(g) | Weight of
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positively affected due to the concentration balance in their environment. Potato cells were used to see the affects of sucrose in different concentrations. In some concentrations a weight change was seen in the potato. Introduction In the osmotic concentration lab potatoes were used to see the affects of different concentrations of sucrose on the weight of the potatoes. Solanum tubersummore commonly known as the potato is the fourth most important food crop in the world. It originates from South
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“Iron-Fortified Rice Is As Efficacious As Supplemental Iron Drops in Infants and Young Children” is the first article. The main purpose was to compare the usage of iron drops with iron fortified rice. What needs to be investigated is if normal fortified foods will actually improve iron levels in iron deficient infants and children. This research would be important to nutrition schools and departments located in Brazil in order to fight iron deficiency‚ and know what fortified products can aid. Other
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students. Yes there is some editing that needs to be done‚ but this one person understood the exercise and communicated that understanding very well. Osmosis and Water Potential in Potato Tissue Melanie Shadish‚ Rob Harris‚ Patricia Tellekamp Water appears to cross the differentially permeable membrane of potato cells by a process called osmosis. The measure of the energy involved in osmosis is called water potential. Since water must lose energy as it moves by osmosis‚ water must move from
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