molecular weights and any other important physical data for the reagents and products. Ex. Cyclohexanol was oxidized to cyclohexanone using sodium dichromate in the presence of sulfuric acid. * Note: you can download a free version of a structure editor from ACD labs‚ the PC version is called chemsketch‚ the Mac version is called marvinsketch. You should learn how to draw structures using these programs. Lab reports should look professional and they should not have hand drawn structures. b) You should
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Strawberry DNA Extraction Donovan Roberts Mrs. Caudill Honors Biology 3/7/11 Introduction The structure of DNA is made of nitrogenous bases‚ phosphate groups‚ and sugars. These three parts of DNA form hydrogen bonds and create a right-handed double helix. The location of DNA in a eukaryotic cell is found within the nucleus‚ bound to proteins. DNA can be extracted from within the cell. They are several steps you must take to retrieve DNA from within the cell. When extracting DNA cells
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DETERMINATION OF COPPER BY COMPLEXATION‚ SOLVENT-EXTRACTION AND SPECTROPHOTOMETRY ABSTRACT To determine the concentration of copper in an unknown solution by using copper complexation‚ solvent extraction and spectrophotometry. Standards are used to create a calibration curve and the unknown concentration of copper is then calculated by using the linear equation from the calibration curve. The concentration of copper in the unknown solution 201 was found to be 12.57± 0.25 μg/mL. INTRODUCTION Copper
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synthase‚ a special enzyme that helps the oxygen found in hemoglobin make its way into body tissue. High altitude also triggers an increase in our heartbeat‚ breathing and urination. The low humidity and low air pressure at high altitudes causes moisture from our skin and lungs to evaporate at a faster pace and our body’s increased exertion requires even more water to keep it hydrated. Besides that‚ less of oxygen also can cause a cluster of symptoms called altitude sickness. People living at or visiting
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Theoretically‚ the spinach extract at 18oC should have a faster rate of reaction than the 5oC extract because higher temperature allows substrates to move more rapidly hence increases the chance of collision with the enzymes. Moreover‚ the experiment was low in accuracy as
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Tan 1 DNA EXTRACTION Aim : To extract the DNA from an egg yolk using various enzymes and to compare with other groups the most effective way to extract DNA. Hypothesis : To be able to observe white springy substances after mixing with enzyme and alcohol. Apparatus : -Test tube‚ spatula‚ glass rod‚ dropper‚ beaker‚ test tube rack‚ skewer. Materials : - 1 egg‚ meat tenderizer‚ salt‚ water ‚ soap‚ isopropyl alcohol 91%‚ pineapple juice. Variables : Manipulated Variable : Responding
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It takes a period of 20 years for the Prunus Africana to grow to 30 meters or more. That is one reason there are only a limited number of Prunus Africana found in Kenya‚ Uganda‚ and the Democratic Republic of Congo. The extraction of pulverized‚ dark bark of Prunus Africana is the reason for high demand on these trees for production of drugs for prostate issues. The Prunus Africana is currently being harvested out of eastern highlands of Kenya in the Aberdares Mountains
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Biotechnology Lab Report Lab: Extracting DNA from Bananas and Strawberries Purpose: To properly and successfully extract DNA from various fruits using cell disruption and separation techniques. Materials Used: 2 heavy duty zip-lock baggie 1 strawberry (fresh or frozen and thawed) 1 banana half 10 ml DNA extraction buffer* 2 Coffee filters Ice cold 95% ethanol 1 small beaker 2 Test tubes Wooden coffee stirrer *To make the extraction buffer‚ 100 ml of shampoo (without conditioner) was mixed
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extracts of Mangifera indica L. leaves The aqueous methanol extracts obtained from mango leaves inhibited seed germination of radish and sand fescue‚ and inhibited seedling growth of root and shoot growth of radish‚ rapeseed‚ sand fescue and crabgrass (Figure 1 and 2). The extract obtained from 0.03 g dry weight of mango leaves inhibited 20 and 50 % germination of radish and sand fescue respectively‚ on day 4 (Figure 2). The extract obtained from 0.03 g dry weight of mango leaves inhibited the root growth
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manure‚ and timber for constructing houses and for making agricultural implements. Poor people are more benefitted from forests products as they are not able to afford for alternative source of energy for fuel‚ timber etc. But studies also show that forest resources are equally consumed by other groups of people as well. Total land covered by forest has been declining rapidly from the last decade. Therefore forest resource management has been important. In Nepal‚ as in other developing countries
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