PHOTOSYNTHESIS LAB Alyssa Wright VARIABLE: LIGHT INTENSITY AIM: to investigate the effect of light intensity (lux) on the amount of oxygen produced (number of bubbles) HYPOTHESIS: I predict that the rate of oxygen produced increases‚ as the light intensity increases‚ but only to a point. I predict this will happen because the plant will have enough carbon dioxide and water to keep up with the amount of light that there is. When there is less light intensity‚ photosynthesis will happen
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they provide something different and special from what mothers provide. Today‚ in America one out of every three children is living in a home without his or her father. That means that one out of three children in America will go to bed tonight without getting a goodnight hug and kiss from there daddy. It is estimated that 60 percent of children that were born in the 1990s will live a portion of their childhoods in a home without a father figure. Some people believe that there is no real significances
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Oxygen Requirements of Bacteria BACKGROUND The GasPak system is useful for culturing anaerobic bacteria on standard microbiological media because the GasPak generates carbon dioxide and hydrogen. The hydrogen will combine with oxygen present in an anaerobic jar to produce water. This system can reproducibly attain oxygen levels in the parts per million range if used correctly. This is the best method for determining the oxygen requirements of unknown organisms. A candle jar is useful
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Producing Energy and Fertilizer from Organic Municipal Solid Waste: Enhancing hydrolysis and bacterial populations and mixing and thermodynamic modeling of new solid waste treatment technology Ecology Publication Number 09-07-064 To ask about the availability of this document in a format for the visually impaired‚ call the Solid Waste and Financial Assistance Program at 360-407-6900. Persons with hearing loss can call 711 for Washington Relay Service. Persons with a speech disability can call
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October 8‚ 2013 Can Public Schools Produce Good Citizens Taking in consideration the topic of this paper‚ can public schools produce good citizens‚ another question comes to mind: Why is a good citizen important to the public? Americans widely agree that a good education is essential to democracy‚ in order to promote intelligent citizens who can govern themselves (Ravitch & Viteritti‚ 2002). Several reports contend that public schools are failing to teach democratic values and are not helping
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Running head: The Dangers Of Cell Phone Use While Driving In Your Vehicle 1 The Dangers Of Cell Phone Use While Driving: Time To Re-Evaluate Joseph L. Carter Strayer University The Dangers Of Cell Phone Use While Driving In Your Vehicle 2 Abstract This paper is here to engage the audience in the matter‚ or should I say‚ the dangers of cell phone use‚ while operating your vehicle. Driving while utilizing your cell phone more than triples the risk of a severe auto accident
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Photosynthesis The leaves are the part of a plant where most photosynthesis takes place. If you cut a leaf in half and look at the cut end‚ it would look like this: Key: 1. Waxy cuticle: this gives the leaf a waterproof layer‚ which lets in light. 2. Upper epidermis: provides an upper surface. 3. Palisade cells: contain chloroplasts. 4. Spongy mesophyll: collection of damp‚ loosely packed cells. 5. Lower epidermis: layer of cells on the lower surface. 6. Air
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effects of sugar on photosynthesis in Elodea. Sugar water with Elodea‚ water with Elodea‚ and water (control) are used to test for photosynthesis. Five drops of sugar water were added to sugar water with Elodea beaker. The three beakers were left under normal light for photosynthesis to occur. After 60 minutes‚ NaOH solution was added to each beaker to test the volume of CO2. The result shows that both Sugar water with Elodea and water with Elodea consumed the CO2 in same rate‚ which means sugar does not
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Smithsonian Laboratory Early Atmosphere 1. How abundant was oxygen in the early atmosphere? The earth’s early atmosphere contained only small amounts of free oxygen‚ produced by the reaction of water vapor with sunlight. The oxygen rich atmosphere that developed later and on which oxygen breathing life now depends was result of the origin and spread of organisms capable of photosynthesis. 2. What evidence do scientists have that the oxygen content of our atmosphere has increased since the earth’s
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Glycolysis‚ the Krebs cycle (or citric acid cycle) and the Electron Transport Chain (ETC) are the three phases of cellular respiration used to completely catabolise glucose. a) Glycolysis occurs in the cytosol (or cytoplasm)‚ the Krebs cycle occurs within the Mitochondria (or mitochondrial matrix) and the Electron Transport Chain occurs on the Inner Mitochondrial Membrane (Cristae- fold). b) Anaerobic respiration occurs when low amounts of oxygen (02) are present‚ releasing low amounts of energy
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