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6 Cards in this Set
- Front
- Back
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Which tissues only use glucose?
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Brain
Red blood cells (no mitochondria) Cornea |
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Why can't fatty acids be used to synthesise glucose?
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Pyruvate --(catalyst: pyruvate dehydrogenase)--> Acetyl CoA
This process is irreversible, so this Acetyl CoA is unusable. |
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What needs to happen for protein-derived amino acids to be used as fuel?
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The amino group must be removed.
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What purpose does transamination serve?
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It's a key process in amino acid degradation.
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Gluconeogenic precursors include...
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Glycerol (from triglyceride breakdown)
Some amino acid carbon skeletons. Lactate (only important in anaerobic exercise - Cori Cycle) |
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Summarise the Cori Cycle
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In liver: Lactate accumulation (from anaerobic exercise) (from glycolysis) --> pyruvate --> glucose.
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