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The first step is the hydrolysis of these compounds into fatty acids and glycerol and these products are transported to the active tissues where they will be oxidized to release energy. Almost all cells except brain cells use fatty acids interchangeably with glucose for energy. Fatty acids are degraded and oxidized in the mitochondria through the process of ß-oxidation to release Acetyl CoA. ß-oxidation simply means that the fatty acid molecule is progressively degraded to release 2-carbon segments in the form of Acetyl CoA. The Acetyl CoA molecules formed enter citric acid cycle and are used for energy production.
Glycerol on the other hand is converted into glycerol-3-phosphate which enters the glycolytic pathway for glucose breakdown and in this way is used for energy production.
sharon kalunda answered the question on February 25, 2019 at 14:05
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