energy‚ the source of fuel are food nutrients such as; protein‚ fat‚ carbohydrates‚ i.e. starch and sugar. The body’s most preferrred fuel for exercises‚ e .g. marathon running are; glucose and fat. This process breaks down glucose into lactic acid C3 O6 H3 and energy as follows: C5 H12 O6 2C3 H6 O3 + energy Anaerobic respiration is a stage of cellular respiration that happens in the absence of oxygen. The first step is the breakdown of glucose in glycolysis. During this step glucose is broken
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certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct” . The main job of photosynthesis is to convert CO2‚ H20‚ and light into sugar‚ or food‚ and oxygen. Now‚ to create these products‚ two processes have to occur: light reactions and the Calvin cycle. Light reactions occur in the thylakoid‚ C4 plants and C3 plants also exist. Methods For the experiment‚ a Biology class
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Photosynthesis Abstract: An experiment was carried out to determine how certain factors such as light intensity and availability of carbon dioxide‚ affected the rate of photosynthesis. The rate of photosynthesis was measure by the amount of oxygen produce (cm3/min). A valid conclusion was made and most of the results were in accordance with the prediction‚ although there were some anomalies present. The errors and limitations were evaluated and some improvements were suggested. Introduction: Photosynthesis
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are: • Carbohydrates • Proteins • Lipids • Nucleic Acids What are the 6 main atoms that make up the biological molecules?/ Macronutrients • Carbon • Oxygen • Hydrogen • Nitrogen • Phosphate • Sulfur If an organism is considered organic‚ which atom is primary made of? • Carbon (is the main one) • Hydrogen The three types of bonds • Hydrogen Bond • Covalent Bonds • Ionic Bond Property of Water What hold the atoms together
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between the three domains? 11. What staining/fluorescence tools do we use to count organisms? To sort organism? 12. Given a list of compounds‚ be able to identify the electron donors and acceptors. “Electron Donors” (Food) Reduced Carbon‚ H2S‚ H2‚ Fe(II)‚ light-plus-pigment‚ NH4 “Terminal Electron Acceptor” (To breathe) O2‚ SO4^2-‚ Fe(III)‚ organics‚ CO2‚ NO3^-‚ S^0 13. Be sure to solve various Poisson problems: P(x)=probability‚ m=mean‚ x=number of times
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Ecology Biology Notes GCE Study Buddy Ecology ● Ecology is the study of interactions among organisms‚ and between organisms and the physical and chemical factors making up their external environment ● Ecologists study both the non-living (abiotic) or physical environment‚ and the living (biotic) environment. Physical environment ● Amount of light ○ Light intensity affects the distribution and growth of both plants and animals ● Amount of water ○ Xerophytes are plants which can
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Enzymes and their importance in plants and animals (25 marks) Enzymes are biological catalysts‚ which accelerate the speed of chemical reactions in the body without being used up or changed in the process. Animals and plants contain enzymes which help break down fats‚ carbohydrates and proteins into smaller molecules the cells can use to get energy and carry out the processes that allow the plant or animal to survive. Without enzymes‚ most physiological processes would not take place. Hundreds of
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Research Project: Mini Proposal Introduction: The objective of the research is to shed some light on the ecological interaction between the foliose lichen‚ Xanthoparmelia tasmanica (Lepp‚ 2011) and the resources and organisms in its environment. This particular species has been observed to grow abundantly only on the south facing side of rocks in the southern hemisphere‚ this might suggest that relatively higher light intensity of north facing rocks is a factor that hinders its growth. However
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sintered pellets along with coke are fed to a blast furnace. Hot metal is obtained at the bottom of the blast furnace above which slag floats‚ both of them are tapped out. Hot Iron metal is processed in LD1‚ LD2 and LD3 (Ladles) to lower down the carbon content to form steel‚ this constitutes the steel making step and the technique is “BASIC OXYGEN STEEL MAKING”. Further‚ rolling is performed in Merchant mill‚ New Bar mill‚ Wire mill‚ hot strip mill and Cold rolling mill to produce various products-
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we find a low-cost‚ carbon-neutral fuel. American chemist Dr. Daniel Nocera has devoted his career to finding this alternative energy source using photosynthesis as his inspiration. Photosynthesis‚ the conversion of solar energy into chemical energy stored in the bonds of glucose‚ is arguably one of the most important chemical reactions on earth. The maintenance of life on earth‚ our food‚ oxygen‚ and fossil fuels depend upon photosynthesis. In this process water and carbon dioxide are converted
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