12 - Carbohydrates.pdf - I Introduction Glycobiology Sugars...

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1 1 1. Structures 2. Energy stores and fuels 3. Structural functions 4. Regulation and Signaling - The Sugar Code 5. Medical Applications I. Glycobiology 2 Introduction Sugars and polysaccharides have several important functions in the cell: 1. Energy stores, fuels, metabolic intermediates 2. Structural framework of RNA and DNA Structural elements in the cell walls of bacteria and plants 3. Linked to many proteins and lipids regulation and signaling 3 Energy stores, fuels, metabolic intermediates Glucose metabolism is the central metabolic pathway in most organisms Amino Acids Glucose Pyruvate Acetyl-CoA Citrate CO 2 Fatty Acids Amino Acids Fatty Acids Icosanoids Isoprenoids Amino Acids Isoprenoids Amino Acids Amino Acids 4 Structural Framework of RNA and DNA Structural elements in the cell walls of bacteria and plants
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