respiration 0.0 / 5 ? BiologyRespiration and exerciseNational 5SQA Created by: urghexamsCreated on: 28-12-18 15:46 all foods contain ... chemical energy 1 of 17 how is the chemical energy in glucose released ? through series of enzyme controlled reactions called respiration 2 of 17 what are the reactants of respiration ? glucose + oxygen 3 of 17 what are the products of respiration ? carbon dioxide + water + energy 4 of 17 what cellular activities can the ATP produced in respiration be used for ? muscle cell contraction , transmission of nerve impulses , protein synthesis , cell division 5 of 17 whats the first stage of respiration ? glycolysis 6 of 17 what happens in glycolysis ? glucose is broken down into two pyruvate. happens in cytoplasm. produces 2 ATP 7 of 17 whats the second stage in aerobic respiration ? the breakdown of pyruvate 8 of 17 what happens in the breakdown of pyruvate ? pyruvate is broken down into carbon dioxide and water. releases high yield pf ATP. happens in mitochondria 9 of 17 what happens if there is not enough oxygen fro aerobic respiration ? the fermentation pathway takes place after glycolisis 10 of 17 what does the plant fermentation pathway produce ? ethanol and carbon dioxide. irreversible. 11 of 17 what does the animal fermentation pathway produce ? lactate 12 of 17 what causes fermentation in plants ? drowned soils 13 of 17 what causes the fermentation pathway in animals ? lots of hard exercise 14 of 17 whats the oxygen debt ? produced during animal fermentation. repaid during recovery time 15 of 17 what measures the rate of respiration ? respirometer 16 of 17 how is the rate of respiration calculated ? volume ( cm3) divided by time ( min) divided by mass ( g ) 17 of 17
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