Block Diagram of MetabolismActivationofBiomonomersSynthesis of BiopolymersCarbohydratesFatty acidsAmino acidsMacro-MolecularAssemblagesExcreted by-productseg. Urea, CO2(a)(e)(d)(g)Nutrients(f)CatabolismCentral MetabolicPathwaysGlycolysisTCA CyclePentosePhosphatePathwayEnergyMetabolism(b)ADP(c)SynthesisofBiomonomersNADPNADPHATPNTPBiosyntheticIntermediatesNDPBiosynthetic Metabolism(g)Excreted by-productseg. CO2From: Daniel Atkinson (1977) Cellular Energy Metabolism and its RegulationThe Distribution of CoreBiological Functions isConserved in both Yeast and WormRatio of worm proteinsyeast proteinsis about 1.0Chervitz et al. (1998) Science 282,
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