Properties of Light Purpose: The ideal purpose of this lab activity is to investigate the relationship between the frequency of the light (color) and the energy produced by different colors of light. Other purposes of this experiment include calculating the proper current for each LED‚ measuring the evaporation rate of rubbing alcohol‚ and being able to discuss the outcome of the relationship in light energy and the color of the light producing the energy. Materials: Light Emitting Diodes
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to investigate the effects of carbonate concentration in water on the rate of photosynthesis. Aim: The aim is to investigate how increasing carbonate in water can affect the rate of photosynthesis. Introduction: The rate of photosynthesis can be increased or decreased in many different ways. For example‚ by adding substances like alkaline or salt to the water‚ you can increase or decrease the acidity or basics‚ if the water has too much acidity‚ it can often delay the rate of photosynthesis‚ often
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INVESTIGATIONS OF BUSINESSES I have chosen to investigate JD because they make really good products that have really attracted people which i want to find out about them. Their main activity is to make and also sell brands of other companies. They produce clothings and footwear and they also sell clothings made by other brands. I have chosen to investigate THE OXFAM because it a charity organisation that has helped a lot of people who are under privileged. Their main activity is to help people
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Effects of Activators and Ethanol on Fermentation Rates In this lab we examined how the rate of fermentation is influenced by the type of substrate‚ and activators and inhibitors. We used four fermentation tubes in which we separately combined yeast with MgSO4‚ pyruvate‚ ethanol‚ and glucose. At five minute intervals we recorded the volume of gas produced in each fermentation tube. Our results are displayed in the graph. Our results supported the prediction that pyruvate is an activator
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In light reactions‚ the goal is to transfer solar kinetic energy to chemical potential energy. This is first done by the absorption of a photon of light. Plant pigments are molecules that selectively absorb light energy at wavelengths. A pigment molecule absorbs a photon of light one of pigments electrons jumps to an energy level further than the nucleus. The electron has more potential energy here. The electron now has raised from the ground state to an excited state. Pigments of photosynthesis 1
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animal tissues. Its purpose is to destroy toxic substances which may be introduced into cells. Also‚ some cells use catalase to destroy cellular debris or worn out organelles. In this lab‚ we will use a catalase solution from potatoes and determine the effect of temperature and pH on the action of this enzyme. The substrate of the enzyme will be 3% hydrogen peroxide (H2O2). Catalase works by the following mechanism: 2 H2O2 ------------------>____2 H2O+ O2 Materials: • 1M HCl • 6 test tubes
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Chapter 6-Intro to Metabolism METABOLISM= all the chemical reactions in an organism CATABOLIC PATHWAY (CATABOLISM)• release of energy by the breakdown of complex molecules to simpler compounds EX: digestive enzymes break down food ANABOLIC PATHWAY (ANABOLISM) • consumes energy to build complicated molecules from simpler ones EX: linking amino acids to form proteins ORGANISMS TRANSFORM ENERGY ENERGY- capacity to do work KINETIC ENERGY- energy of moving objects POTENTIAL ENERGY- energy
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Photosynthesis and Respiration Unit2 – IP 1. A) Photosynthesis space is a process in which the energy from light is used to produce carbohydrates. Aside from using light energy‚ photosynthesis includes carbon the oxide and water. A1) In order to generate energy aerobic respiration requires oxygen‚ although fats and proteins and carbohydrates can be consumed and processed as reactant‚ is the usual method of breaking down in glycolysis and usually requires the pyruvate to enter the mitochondrion
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Lab Report #1 Photosynthesis Lab Report: The Effects of Varying Concentrations of CO2 on the rate of Photosynthesis in Spinach Leaves Introduction Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct. The purpose of this experiment is to see how different concentrations of carbon
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The Effects of a Low Literacy Rate Trina Heyrman Com/156 June 21‚ 2012 Pamela Brown The Effects of a Low Literacy Rate “The devil of illiteracy had been given a staging post in the temple of the written word” –Dean Koontz. While the benefits of a high literacy rate tend to speak for themselves‚ many people prefer to overlook the costs of a low literacy rate. A low literacy rate can affect just about
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