citric acid cycle has more than one function and occur as link between the anabolic and catabolic pathways.ĬARBOHYDRATE METABOLISM Digestion and absorption Dietary carbohydrates : The major dietary carbohydrates are starch, sucrose and lactose. 3-Amphibolic pathways: (both anabolic and catabolic) e.g. The resulting building blocks are further degraded to acetyl CoA.Īcetyl CoA is oxidized in the citric acid cycle which is the final common pathway in oxidation to give CO2+H2O and energy.proteins are degraded to amino acids, polysaccharides to monosaccharides and triglyceride to free fatty acids and glycerol. The complex molecules are broken down into their simple building blocks e.g.Involve oxidative processes that release free energy.
synthesis of protein, glycogen, fat (triglyceride).
Metabolic pathways fall into three categories: 1-Anabolic pathways (synthetic): Such reactions require energy which is provided by breaking down ATP to ADP+P.
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