Phophoralation
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| What are the 2 types of Catabolic Reactions which yield ATP? | 1. Substrate Phosphorylation 2. Oxidative Phosphorylation
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| What is Substrate Phosphorylation? | DIRECT ATP formation - w/o O2
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| How does Substrate Phosphorylation make ATP? | by removing a PO4 from Substrate + ADP = ATP - 1 step
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| Where does Substrate Phosphorylation occur? | throughout the Cytoplasm
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| What is Oxidative Phosphorylation? | INDIRECT ATP formation
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| How does Oxidative Phosphorylation work? | Coenzymes NAD and FAD accept H+ from substrates --> pass electrons through ETS - 2 step
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| Where does Oxidative Phosphorylation take place? | concludes in the Mitochondria
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| What role does O2 play in Oxidative Phosphorylation? | final e- (H+) acceptor
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| What are Cyotchromes? | small, Iron-containing Proteins
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| Where are Cytochomes located? | arranged side-by-side along the INNER Mitochondrial Membrane
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| How many Cytochromes does the average cell have? | some 24, some 12, some 0 - depending on cell's need/ability to produce ATP
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| What are 2 differenced between NAD and FAD? | NAD: yields 3 ATP, accepts 2 H+; FAD yields 2 ATP, accepts H Atoms
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| What would happen if there were no O2 at the end of ETS? | entire process would back up --> no ATP --> death
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| How many electrons can each Cytochorme hold at 1 time? | 1 - they play "hot potato"
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| How do NAD and FAD move into/out of the ETS? | Passive Diffusion: HIGH --> LOW
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Created by:
Kristel
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