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Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
ATP   Adenosine triphosphate  
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Autotrophs   An organism that can trap an inorganic carbon source such as carbon dioxide, using energy from light or from chemicals.  
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Heterotrophs   An organism that needs a supply of organic molecules as it's carbon source.  
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Glycolysis   The splitting (lysis) of glucose.  
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Link reaction   Decarboxylation and dehydrogenation of pyruvate, resulting in the formation of acetyl coenzyme A, linking glycolysis with the Krebs cycle.  
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Krebs cycle   A cycle of reactions in aerobic respiration in the matrix of a mitochondrion in which hydrogens pass to hydrogen carriers for subsequent ATP synthesis and some ATP is synthesised directly.  
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ATP synthase   Enzyme catalysing the phosphorylation of ADP to ATP.  
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Chemiosmosis   Synthesis of ATP using energy stored as a difference in hydrogen ion concentration across a membrane in a chloroplast or mitochondrion.  
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Phosphorylation   Transfer of a phosphate group to an organic compound.  
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Respiration   Enzymatic release of energy from organic compounds in living cells.  
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Respiratoryquotient-RQ   The ratio of the volume of carbon dioxide given out in respiration to that of oxygen used .  
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Oxidative phosphorylation   Synthesis of ATP from ADP and Pi using energy from oxidation reactions in aerobic respiration.  
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Electron transport chain   Chain of adjacently arranged carrier molecules in the inner mitochondrial membrane, along which electrons pass by redo reactions.  
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FAD   Flavin adenine dinucleotide.  
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NAD   Nicotinamide adenine dinucleotide.  
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Cristae   Folds in the inner membrane of the mitochondrial envelope on which are found stalked particles of ATP synthase and electron transport chains associated with aerobic respiration.  
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Alcoholic fermentation   Anaerobic respiration in which glucose is converted to ethanol.  
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Lactate   Lactic acid. The end product of lactic fermentation, often produced by muscles during exercise.  
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Lactic fermentation   Respiration in which, in the absence of oxygen,glucose is converted to lactic acid (lactate).  
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Oxygen debt   Volume of oxygen that is required at the end of exercise to metabolise the lactate that accumulates as a result of anaerobic respiration in muscles.  
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Calorimeter   Apparatus in which the energy value of a compound can be measured by burning it in oxygen.  
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Aerenchyma   Plant tissue containing air spaces.  
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Parenchyma   Basic plant tissue typically used as packing tissue between more specialised structures; it is metabolically active and may have a variety of functions such as food storage, support and transport via symplast and apoplast pathways.  
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