How does protein convert into fat?

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trophyhunter1 | College Teacher | (Level 1) Educator Emeritus

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Most of the time, excess protein is excreted as urine. However, although most of the time fat cells take up excess fats and convert these into fat storage molecules, they can also convert excess carbohydrates or protein into fat but it is much less efficient to do so. When there is an oversupply of dietary carbohydrate, this excess can be converted to triglycerides. These can ultimately be synthesized and stored in the body. When someone eats protein, the ingested amino acids are used to make proteins within that person's body, while some are converted to glucose via the process of gluconeogenesis and used for energy. If any of this glucose is in excess, it can ultimately be converted to fat for storage.