Determining the likelihood of risks attached with release of genetically modified organisms requires scientific input and a precautionary approach based on assessment‚ consequent regulation‚ and either management or control of the risks. The Cartagena protocol was also adopted to further the regulations on release and use of living modified organisms. This shows that the release of genetically modified organisms in the environment is globally known to have caused adverse effects on the environment and
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Amylopectin The absorbance value(x) read from cuvette containing starch and water represents the total amount of starch-iodine complex. The absorbance value(y) read from cuvette containing starch‚ water and α-amylase at the respective temperature or pH represents the amount of starch-iodine complex which is left after the enzyme has hydrolyzed the starch.In order to get the amount of product;P (maltose and glucose) formed‚ need to subtract the (y) value from the (x) value.
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1 MAINTAINING A BALANCE TASK: OPEN-ENDED INVESTIGATION Our task is to plan‚ choose equipment and perform a first hand investigation to demonstrate the effect of dissolved carbon dioxide on the pH of water. DUE DATE: 21/11/07 CONDUCTOR: Wissam Bardouh EFFECT OF DISSOLVED CARBON DIOXIDE (CO2) ON PH OF WATER Introduction: ((Carbon Dioxide is a greenhouse gas. It is everywhere ranging from our bodies to the atmosphere. Carbon dioxide is produced in living organisms as a result of cellular respiration
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market for smart meters is expected to reach USD 22‚177 million by 2020‚ according to a new study by Grand View Research‚ Inc. Smart meters provide two-way communication and benefits including time-based rates‚ faster power outage detection and resolution‚ and dynamic pricing among others. Initiatives by regulatory authorities to establish smart grids and ensure energy efficiency are expected to be a considerable growth driver over the forecast period. Benefits of smart meter installations resonate
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Bean Growth with Different pH Levels Through this experiment‚ the objective was to find which pH liquid created the best environment for the Mung beans to grow. First‚ the beans were placed into bags with different pH liquids. Then‚ measurements were taken each day to monitor the growth average of the beans. The pH 2 beans average size at the end of the experiment were 0.24 cubic centimeters‚ the pH 7 size average was 0.38 cubic centimeters‚ and the size average of the pH 2 beans was 0.24 cubic centimeters
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Introduction: The purpose of this experiment is to measure the effects of changes in temperatures and pH on enzyme activity in skeletal muscle‚ particularly the activity of lactate dehydrogenase (LDH). LDH is a glycolytic enzyme which converts pyruvate to lactate in the following equation: LDH Pyruvate+ NADH ------------ Lactate + NAD The reaction above can move in both directions‚
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transmission at pH 2. At pH 9 the Trypsin has 39% light transmission. Between pH 2 and pH 9 the percentage of light transmission decreases at a steady rate‚ until it reaches pH 8 where there is a steep increase from 30% to 39% as the enzyme has reached its optimum pH at 8. During the experiment in the boiling tube this pH had the deepest red colour as the most protein gelatine was broken up. This meant that in the colorimeter when testing to see what the light transmission‚ this pH let the least light
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What are the pros and cons of the Kyoto Protocol? Do you think it should be followed? Why‚ or why not? Kyoto Protocol was signed in 1997 in Kyoto‚ Japan‚ with the aim to reduce greenhouse gases emission and thus to conquer global warming. It came into force eventually on February 16‚ 2005 with 55 countries ratifying it. Apparently the effect of such agreement is distinctive in different states depending on the level of the emissions they have. Numerous supporters of the Protocol’s promotion
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Research Question: To investigate how varying the pH of bromothymol blue affects the absorbance value of the solution which determines the equilibrium constant (pKa) of the indicator. Variables: Variables Variables Measured Method of measurement Independent pH of the six buffer solution A pH probe attached to a data-logger will be used to measure pH Dependent Absorption of the buffer solutions at wavelength 435.0nm and 617.0 nm A spectrophotometer (±0.001) will be used to measure absorbance
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strength 1M HCl acid had a pH level of 3.12 (Table 3.1). Sample A2 to A4 remained in the pH 3 level‚ while sample A5 and A6 had a pH range of 4 (Table 3.1). The pH level for 1M HCl dilutions slightly increased between each sample (Table 3.1). The diluted solutions of 1 M NaOH showed a few unexpected results. The original solution of 1 M NaOH was at a pH level of 11.50 (Table 3.1). However‚ the pH of sample B2 increased to 12.81 (Table 3.1). The remaining samples had a decreasing pH pattern for each dilution
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