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Biochemistry
Rate Limiting Enzymes
| Question | Answer |
|---|---|
| Glycolysis | Phosphofructokinase-1 |
| Glycogenesis | Glycogen synthetase (Dephosphorylated form) |
| Glycogenolysis | Phosphorylase |
| Gluconeogenesis | 1. Pyruvate carboxylase 2. Phosphoenolpyruvate carboxykinase (PEP-C) |
| HMP shunt | Glucose-6-phosphate dehydrogenase (G6PD) |
| TCA cycle | Isocitrate dehydrogenase |
| Urea synthesis | CPS-I Carbamoyl phosphate synthetase, or , Ornithine transcarbamoylase |
| Fatty acid synthesis | Acetyl CoA carboxylase |
| Cholesterol synthesis | HMG CoA reductase |
| Ketone bodies synthesis | HMG CoA synthetase |
| Fatty acid oxidation | Carnitine acyltransferase-1 |
| Purine synthesis | Phosphoridosyl pyrophosphate synthetase (PRPP synthetase) |
| Uric acid synthesis | Xanthine oxidase |
| Porphyrin synthesis | d-ALA synthetase |
| Bile acid synthesis | 7-a-hydroxylase |