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Regulation of energy metabolism can occur at the gene level, where enzymes needed for energy metabolic pathways are either transcribed, or their transcription inhibited. A well-studied example is the Lac Operon which can be seen in E. coli bacteria. The Lac Operon is characterized by an operator which is essentially an on/off switch that controls […]

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The word gluconeogenesis means the creation (genesis) of glucose from new (neo) sources. Under normal circumstances, carbohydrates are broken down to release glucose. However, under special circumstances such as limited availability of carbohydrates, other molecules such as fatty acids, amino acids and pyruvate are converted to glucose. This is important for humans, as we store […]

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