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8 Cards in this Set
- Front
- Back
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9 reactions that occur in the cytoplasm:
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1. Glycolysis
2. Gluconeogenesis (most) 3. HMP 4. Glycogenesis/olysis 5. FA Synthesis 6. NT synth/breakdown 7. TAG synthesis 8. Cholesterol biosynthesis 9. Urea cycle (part) |
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What 2 pathways take place in 2 compartments and where?
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1. Gluconeogenesis
2. Urea cycle -Part in cytosol -Part in mitochondrial matrix |
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4 reactions that completely take place in mito matrix:
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1. TCA cycle
2. FA oxidation/ketogenesis 3. Amino acid oxidation 4. ETC/oxidative phosphorylation |
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What 2 enzymes are specific to lysosomes?
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-Acid phosphatase
-Acid hydrolyase |
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What is a metabolon?
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A physical association of enzymes for catalyzing sequential steps; sometimes but rarely on the same enzyme even.
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What is substrate channeling?
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The grouping of metabolic intermediates for sequential steps -> results in a metabolon.
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What is futile cycling?
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The simultaneous degradation and synthesis of a metabolic intermediate.
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How is futile cycling avoided?
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By compartmental segregation which sequesters intermediates from cell compartments.
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