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5.2.2 Respiration (Uses: (protein synthesis, DNA replication, cell…
5.2.2 Respiration
Uses:
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movement e.g. flagella, organelles, motor proteins
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active processes e.g. active transport, exocytosis, endocytosis
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Mitochondia
matrix
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contains enzymes, NAD, FAD, oxaloacetate, mitochondrial ribosomes, mitochondrial DNA
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Anaerobic Respiration
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oxygen cannot act as final oxygen acceptor at end of oxidative phosphorylation; H⁺ cannot combine with electrons and oxygen to form water
H⁺ ion concentration increases in matrix so reduces proton gradient across inner mitochondrial membrane; oxidative phosphorylation stops
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ethanol fermentation pathway or lactate fermentation pathway doesn't produce any ATP but allows glycolysis to continue to net release of 2 ATP per molecule of glucose
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