Swag
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SWAG
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Technology
SWAG
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Chapter 9 Notes
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Chapter 9 notes Cellular Respiration: Harvesting Chemical Energy Concept 9.1 Metabolic pathways that release energy are called catabolic pathways - fermentation and cellular respiration _____________: partial degradation of sugars that occurs w/out the help of O2 ________: O2 is consumed as a reactant along w/ the sugar - more efficient Concept 9.1 Cellular respiration occurs in the _______________ Organic + O2 ? Carbon + H2O + Energy compounds dioxide C6H12O6 + 6O2 ? 6CO2 + 6H2O + Energy 1 glucose = -686 kcals Concept 9.1 ATP is the central molecule responsible for energy used by the cell The cell uses enzymes to transfer phosphate groups from ATP to other compounds (making them _________________) ATP ? ADP + phosphate Concept 9.1
AP Bio Chapter 3 notes
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Chapter 3 ? Water & Fitness of the Environment Effect of Water?s Polarity Polarity of water causes hydrogen bonding Water is made up of 2 hydrogen and 1 oxygen; held together by 1 covalent bond Oxygen is slightly negative and hydrogen is slightly positive ?> polarity Polarity causes hydrogen to be attracted to other oxygen molecules, creating hydrogen bonds; each molecule can be connected to 4 other molecules 4 properties of water Water?s cohesion Stabilization of temperature Expansion upon freezing Versatility as a solvent Cohesion of water molecules Hydrogen bonds keep water molecules sticking together - hydrogen bonds are very weak; they form and reform with great frequency Cohesion: the process in which hydrogen bonds hold the substances together
Urban and City Land Use
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Chapter 2 power points. Campbell Biology, 9th edition
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? 2011 Pearson Education, Inc. LECTURE PRESENTATIONS For CAMPBELL BIOLOGY, NINTH EDITION Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson Lectures by Erin Barley Kathleen Fitzpatrick The Chemical Context of Life Chapter 2 Overview: A Chemical Connection to Biology ? Biology is a multidisciplinary science ? Living organisms are subject to basic laws of physics and chemistry ? One example is the use of formic acid by ants to maintain ?devil?s gardens,? stands of Duroia trees ? 2011 Pearson Education, Inc. Figure 2.2 Duroia tree Devil?s garden Cedrela sapling Inside, unprotected Inside, protected Insect barrier Outside, protected Outside, unprotected EXPERIMENT
Ap Human GEo
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Organic Agriculture approach to farming and ranching that avoids the use of herbicides, pesticides, growth hormones, etc.
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Cellular Respiration Notes
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Cellular Respiration Wednesday, March 06, 2013 5:23 PM ? Cellular Respiration Cellular respiration - an ATP-generating process that occurs within cells; energy is extracted from energy-rich glucose to form ATP from ADP and phosphate C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy Glucose + air = carbon dioxide + water + energy Aerobic respiration - cellular respiration in the presence of O2; divided into three components: glycolysis, the Krebs cycle, and oxidative phosphorylation ? Glycolysis Glycolysis - the decomposition (lysis) of glucose (glyco) to pyruvate (or pyruvic acid); nine intermediate products are formed and, of course, each one is catalyzed by an enzyme; in six of the steps, magnesium ions are cofactors that promote enzyme activity; summary of the steps:
Campbell Biology Chapter 2 outline
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SUBATOMIC PARTICLES Proton ? 1 positive charge (P+) Neutron ? no charge (N0) Electron ? 1 negative charge (E+) Nucleus An atom's dense central core, containing protons and neutrons. Electrons move around the nucleus Matter Anything that has mass and takes up space Elements Substance that cannot be broken down by a chemical reaction 92 occur naturally 25 of which are essential for life Bulk elements Required by the body in large amounts C N H O (make up 96% of the body) Trace elements Required by the body in small amounts Ultra trace elements Required by the body in minute amounts Atoms Smallest unit of matter that still retains properties of an element Weight Add proton and neutrons together for weight of nucleus Every proton and neutron weights one Dalton
Help
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Michael Treacy 3/3/2010 Pd. 3 Ozone Hole @ TD 1. What is the Ozone and why do we need it in our atmosphere to have a healthier planet? The Ozone is the Gas O3. This gas is located in the Stratosphere and absorbs UV Rays. We need the ozone in our atmosphere because it absorbs 98% of the UV Rays. Without the ozone to filter all these UV Rays many animals would have medical / health problems. 2. Describe how the ozone protects us. The ozone protects us by filtering out and absorbing most of the UV Rays before they reach the earth. Most of the Rays are biologically harmful and know to damage tissues and cells. 3. How is a chlorine atom harmful to the ozone in the stratosphere?
JFK
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