"Biology 101 organic molecules lab report at greenville tech" Essays and Research Papers

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    Raquel Johnson October 19‚ 2014 Solids: Recrystallization and Melting Points Organic Chemistry 2423 Lab Report: Recrystallization Abstract: The purpose of this lab was to purify an unknown compound by recrystallization. Taking an unknown compound and identifying it by purifying it from its impurities through the use of hot gravity filtration. Then to determine the unknown you were to take the melting point. An unknown compound was recrystallized from hot water to produce 0.99 grams (67% recovery)

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    Protista Lab Report

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    Title- Protista Lab Concept- the concept of this lab was to explore what is in the pond water as living organisms and try to identify what it is. Some types of Protista are multi-cellular like giant kelp. Although they look much like plants‚ multi-cellular protists lack specialized tissues. Being eukaryotes‚ they have a membrane-bound true nucleus with linear chromosomes‚ and they have membrane-bound organelles. The kingdom Protista contains all eukaryotes that are not plants‚ animals‚ or fungi

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    Carbohydrate Lab Report

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    Carbohydrate Lab Report Introduction Qualitative identification of a substance is of significant importance in chemistry. Physical constants such as melting points have traditionally been used by organic chemistry for identification of unknown compounds. As for inorganic substances‚ the precipitation of a solid‚ results of a flame test‚ or the formation of a colored substance could all be keys to identifying a sample. Chromatography and spectra are amongst the newer techniques

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    Organic and Inorganic

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    Organic and Inorganic Evidence Johana Maria CRJ 311 Forensics Henry Johnson July 31‚ 2011 Organic and Inorganic Evidence In this paper I will decribe the difference organic and inorganic evidence. Compare the strengh and weakness that each have. The significance of either organic or inorganic evidence as it travels through the justice system from the crime scene to prosecution. Some of the example of inorganic evidence is paint and glass. This two are the most important evidence that

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    Photosynthesis Lab Report

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    organisms‚ it is not necessary for the reactions to be at maximum rate at all times. Enzymes interact with other molecules to produce a stable system in which the products are made when they are needed in the exact amount. An enzyme lowers the activation energy of a reaction so its easier to proceed. Enzymes are specific to which substrates it binds with to the active site.(AS biology‚ 2008). There is a lock and key hypothesis‚ as shown in diagram 1: (http://www.skinnersbiology.co.uk/enzyme.htm)

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    Enzyme Lab Report

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    Effects of pH on the Function of Enzymes Rena Mototani Glen Rock High School Advanced Biology 2014-2015 Effects of pH on the Function of Catalase Rena Mototani Problem: How does the pH of a cell affect the function of the enzyme catalase? Introduction In this lab‚ we experimented the effects of pH on the function of the enzyme catalase. Catalase is an enzyme that brings about the reaction by which hydrogen peroxide is decomposed to water and oxygen (Encyclopedia Britannica). The

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    Biosphere Lab Report

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    Biosphere Lab Report A biosphere can be defined a lot of different ways. Our interpretation of a biosphere is the area in which life can be contained within. In the case of the earth‚ it means as high as a bird can fly and as deep as fish can swim in the ocean. A biosphere is a closed system that has a constant flow of energy between the organisms living within it and it needs nothing outside of itself but sunlight to continue to be sustained. At the University of Arizona‚ they attempted to build

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    Introduction Recrystallization is a method used to purify solid organic compounds. Using the recrystallization technique‚ a solid compound is dissolved in a solvent and the compound slowly crystallizes as the solution cools. Using a filtration technique‚ a pure solid is produced when the molecules of the impure particles in the compound are excluded from the crystal lattice. After obtaining the pure compound‚ a melting point determination procedure can be done using a mel-temp device to correctly

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    Lab Report on Osmosis

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    between the interior and exterior of the cell. All molecules are in constant motion‚ ergo‚ possessing kinetic energy. This kinetic energy is the motivating force in diffusion. During diffusion‚ molecules that are small enough to pass through a membrane’s pores or molecules that can dissolve in the lipid bilayer of a membrane move from an area of higher concentration to an area of lower concentration. Facilitated diffusion occurs when molecules are too large to pass through a membrane or are lipid

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    Photosynthesis Lab Report

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    et al Abstract: The purpose of this lab was to determine how light affected photosynthesis‚ specifically the production of O2 bubbles. It was predicted that when the light was more intense the O2 bubble production will be high. Conversely‚ when the light was less intense the O2 bubble production will be lower. Basically the plant that is closer to the light will produce more bubbles than the plant that is placed farther away from the light source. In this lab the independent variable is the light

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