AP bio final study Study online at quizlet.com/_6ovb5 1. 2 carbon atoms are fed into the citric acid cycle as a result of the oxidation of one molecule of pyruvate falling statoliths trigger gravitropism 2 9. acrosomal reaction 2. a botanist discovers a plant that lacks the ability to form starch grains in root cells‚ yet the roots still grow downward. This evidence refutes the long standing hypothesis that A human red blood cell in an artery of the left arm is on its way to deliver
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In the next step in aerobic respiration‚ each pyruvate‚ as produced by glycolysis in the cytosol‚ is normally converted to acetyl-CoA by pyruvate dehydrogenase in the mitochondria. During this process‚ electrons are transferred to NAD+‚ producing NADH‚ and a carbon is lost in the form of CO2 as a product. Acetyl-CoA then goes through another series of reactions in the TCA cycle‚ all of which also occurs in the mitochondria‚ to generate ATP and NADH through the complete oxidation of the molecule (generating
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toxicant and is the active ingredient in Fintrol‚ a commerical piscicide used in fisheries management and in the catfish industry. Researchers found that the toxic effects of antimycin were a result of their inhibitory effects on mitochondrial respiration‚ which disrupt and impair metabolic pathways. Antimycin A Physical Properties Molecular Formula: C28H40N2O9 Melting Point: 300.2 ° F (EPA‚ 1998) Molar Mass: 548.63 g/mol Colour/Form:Crystals Antimycin A Physical
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When the mitochondrial membrane became "leaky" to hydrogen ions chemiosmosis stopped because there wasn ’t a gradient of protons between the outside and inside of the membrane. Without a gradient of protons the majority of the ATP produced by cellular respiration couldn ’t be produced which is essential to make fatty acids and breakdown glucose‚ therefore the energy in a persons metabolism comes from stored fat or protein‚ causing a person to lose weight as well as causing a lack of energy. In the same
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materials from smooth E.R. and sends to cell surface. * Cristae – in-foldings in the inner mitochondrial membrane that increase surface area for the ETC enzymes to sit within * Mitochondrial Matrix – contains many important enzymes in cellular respiration * Peroxisomes – create hydrogen peroxide within a cell and breakdown fats into usable molecules as well as catalyze detox reactions in the liver. * Glyoxysomes – important for germinating plants‚ where they convert fats to usable sugars
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produce is the sugar glucose. Animals and other organisms are heterotrophs (other- feeders). They must consume other organisms (plants) in order to eventually get their glucose. Both plants and animals use glucose as an input to the process of Cellular Respiration (another subject) to produce ATP molecules. ATP molecules are the energy source for all metabolic processes. Log on to the following web site for a good explanation of photosynthesis. Pay attention to the part that discusses chlorophyll
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This suggests a positive correlation. Plants require sunlight‚ water and carbon dioxide to grow. These are necessary in the process of photosynthesis‚ which makes glucose for the plants. The glucose is then used by the plant in the process of cellular respiration in order to make energy. 8. Conclusion:
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Mitochondria are a key organelle responsible for aerobic respiration in eukaryotic cells. The majority of the energy that eukaryotes rely on is obtained through the use of mitochondria‚ thus emphasizing the importance of these dynamic organelles. Due to the importance in respiration mitochondria are found in high abundance in oxidative tissues such as heart‚ kidney‚ and the brain1‚2 3. Inner mitochondrial membrane plays host to a collection of enzyme complexes termed the electron transport chain
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Conclusion I predicted that if the decolorization of DPIP is caused by photosynthesis and not cell respiration and spinach extract containing chloroplasts and mitochondria is incubated with DPIP‚ then the rate of DPIP decolorization should be higher if in bright light verses dark light because DPIP is reduced by photosynthesis and not by the mitochondria or any other cellular function. If DPIP was only decolorized by chloroplasts‚ then the percent transmittance of chloroplast suspensions would be
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2. Describe the steps involved transforming energy from burning glucose to synthesis of ATP. Cellular respiration‚ in the process of ATP synthesis‚ refers collectively to intercellular reactions in which energy-rich molecules are broken down to form ATP‚ using O2 and producing CO2 (2). In most cells‚ ATP is generated from the disassembling of absorbed nutrient molecules in three stages‚ glycolysis: in the cytosol‚ the citric acid cycle: in the mitochondrial matrix and oxidative phosphorylation: at
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