<prompt> NADPH is used inFatty acid synthesisKetone synthesisGlucogenesisGlycolysis  <response>: FATTY ACID SYNTHESIS Materials Required for the SynthesisEnzymes-Fatty acid synthase, a multienzyme complex-Acetyl-CoA carboxylase, also a multienzyme complexCoenzymes and cofactors: Biotin, NADPH, MnCO2: Source of CO2 is bicarbonateATP: For energyFirst reaction reduction: The keto-acyl group is reduced to hydroxy group -OH to form b-OH butyryl-ACP catalyzed by the enzyme keto-acyl reductase. Second reaction dehydration: A molecule of H2O is removed from b-OH-butyryl-ACP to form a, bunsaturated butyryl-ACP also called crotonyl-ACP, catalyzed by the enzyme b-OH-acyl dehydratase. Third reaction reduction: The third and final reduction is catalyzed by enoyl-reductase using NADPH H, as a result, the double bond is saturated to form butyryl-ACP 4 carbon. All the above three reactions occur on Pan-SH of monomer II.Ref: MN Chatterjea Textbook of Medical Biochemistry, 8th Edition, Page no: 417 