BCHM 3P01 Lecture Notes - Gluconeogenesis, Glycogen, Cellular Respiration
20 May 2014
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Three or four key enzymes that aren"t in glycolysis. We"re making new glucose instead of making a futile cycle. Using fats and amino acids o o o molecules so good to make glucose o. Glycerol- can"t really use the whole fatty acid; the glycerol is a 3-carbon. Red blood cells only use glucose as source of fuel. Under starvation conditions when no glucose is being brought in from the diet there needs to be a backup pathway to ensure the production of glucose for glycolysis. Glycogen stores in body can supply about 190g at most. Under ideal situations we have enough glucose for glycolysis. Gluconeogenesis in liver and kidney helps maintain glucose level in the blood so that brain and muscle can extract sufficient glucose to meet their metabolic needs. Whenever rate of glycolysis exceeds the rate of oxidative metabolism. The example is alanine being converted to pyruvate.
