Energy and respirati Word Scramble
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Term | Definition |
ATP | Adenosine triphosphate |
Autotrophs | An organism that can trap an inorganic carbon source such as carbon dioxide, using energy from light or from chemicals. |
Heterotrophs | An organism that needs a supply of organic molecules as it's carbon source. |
Glycolysis | The splitting (lysis) of glucose. |
Link reaction | Decarboxylation and dehydrogenation of pyruvate, resulting in the formation of acetyl coenzyme A, linking glycolysis with the Krebs cycle. |
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. |
ATP synthase | Enzyme catalysing the phosphorylation of ADP to ATP. |
Chemiosmosis | Synthesis of ATP using energy stored as a difference in hydrogen ion concentration across a membrane in a chloroplast or mitochondrion. |
Phosphorylation | Transfer of a phosphate group to an organic compound. |
Respiration | Enzymatic release of energy from organic compounds in living cells. |
Respiratoryquotient-RQ | The ratio of the volume of carbon dioxide given out in respiration to that of oxygen used . |
Oxidative phosphorylation | Synthesis of ATP from ADP and Pi using energy from oxidation reactions in aerobic respiration. |
Electron transport chain | Chain of adjacently arranged carrier molecules in the inner mitochondrial membrane, along which electrons pass by redo reactions. |
FAD | Flavin adenine dinucleotide. |
NAD | Nicotinamide adenine dinucleotide. |
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. |
Alcoholic fermentation | Anaerobic respiration in which glucose is converted to ethanol. |
Lactate | Lactic acid. The end product of lactic fermentation, often produced by muscles during exercise. |
Lactic fermentation | Respiration in which, in the absence of oxygen,glucose is converted to lactic acid (lactate). |
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. |
Calorimeter | Apparatus in which the energy value of a compound can be measured by burning it in oxygen. |
Aerenchyma | Plant tissue containing air spaces. |
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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