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    Renin experiment

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    The effect of varying temperature on thee Rennin enzyme Abstract The purpose of this experiment was to see what affect different temperate had on the reaction rate of the enzyme rennin. The experiment was performed by placing test tubes filled with renin and milk into water bath which was heated or cooled to one of the temperatures trialed. The hypothesis justified because it found because it though data that the enzyme reacted faster with the 45° temperate because it was

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    It is used in geography‚ which is used to study the gases present in the atmosphere.  6. It is mainly used in daily by pilots to measure the pressure in the air. 7. Area under a Curve and area in between the two curves are found by Integration. 8. Volume of Solid of Revolution explains how to use integration to find the volume of an object with curved sides‚ e.g. wine barrels. 9. Electric Charges have a force between them that varies depending on the amount of charge and the distance between

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    Biology 1010

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    Biology 1010 8/27/13 Life: * Order: Pine Cone‚ Bacteria – where things are * Regulation: Regulate their internal environment * Maintain homeostasis * Ex. Breath‚ too much CO2‚ changes pH Sends message to brain * Growth and development: Definite pattern to growth and development * Directed by DNA (genetic material where the genes are found) * Energy processing: All organisms must have energy * Humans: Food (Heterotrophs = other-feeding (fungi and

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    Chemistry in Biology

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    Chemistry plays an important part in studying Biology. It answers some questions that Biology could not explain alone. Questions like: How does an organism convert foods for energy? How do plants use sunlight and water into all the things that cells needed to grow and reproduce? How does the basic unit of life passed through generation to the next? Here are some contributions of Chemistry in Biology: • Within atomic theory‚ chemistry contributes towards biology in the understanding of atoms and elements

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    Membrane Experiment

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    level. The objective of this experiment is to study the characteristic of four different types of membrane. The membranes used in this experiment are polyamide film ( AFC 99 ) as membrane one ‚ polyamide film ( AFC 40 ) as membrane two ‚ cellulose acetate (CA 202 ) as the third membrane and PVDF (FP 100 ) that act as the fourth membrane. In order to identify the characteristic of all four membranes‚ experimental procedures should be done. The variable for this experiment is the membrane maximum inlet

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    Cost‚ Volume‚ and Profit Formulas All businesses require becoming profitable or at some point they will fail. Accounting plays an essential role in determining if the company will become successful and continue to do so over time. Using well-defined formulas in order to assess the exact numbers will facilitate the actions a company needs to carry out in order to maintain its goals. The accounting department would look at the cost-volume-profit analysis to concentrate on the different components

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    12. Provide a description of a cell surface specialization. A cell surface specialization can be defined as an extension of the cell surface which performs a specific function for a larger organ or tissue. Examples of cell surface specializations include microvilli‚ cilia‚ stereocilia‚ and goblet cells. Microvilli can be described as tiny finger-like folds made of microfilaments in the cell membrane‚ and functions to increase surface area for absorption. Cilia are longer‚ more hair-like projections

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    Molar Volume Lab Report

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    Introduction Molar volume is the name given to the volume that one mole of any gas occupies at standard temperature and pressure. In chemistry‚ many of the materials worked with are gases. It is often easier to measure the volume of a sample of gas‚ rather than determine its mass. The main purpose of this lab is to determine the molar volume of hydrogen gas experimentally in order to compare it to the theoretical molar volume of ideal gases. In this experiment‚ a known mass of magnesium is reacted

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    Boiler Experiment

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    study of thermodynamics. Substances such as gases and vapors are often referred as P-V-T substances. Theory: An ideal gas obeys the equation of state that the pressure‚ specific volume or density‚ and absolute temperature with mass of molecule and the gas constant‚ R. PV = mRTM Where‚ P = Absolute pressure V = Volume n = Amount of substance (moles) R = Ideal gas constant T = Absolute temperature (K) However‚ real gas does not absolutely obey the equation of state. A few changes on

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    Biology ia

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    002141-0012 Nuba Jackson IB Biology Microbiology IA How effective is Lysol in the reduction of bacterial growth compared to Pinesol in reduction of E. Coli growth in agar at room temperature?  Background Information: Pinesol and Lysol are both common household disinfectants that make very big commercial claims; both claim to kill 99.9 percent of bacteria. Lysol contains

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