Figure 17-24 Reaction mechanism of lactate dehydrogenase.

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Figure 17-25 The two reactions of alcoholic

fermentation.

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Figure 17-26 Thiamine pyrophosphate.

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Figure 17-29 The formation of the active ylid form of TPP in the

pyruvate decarboxylase

reaction.

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Figure 17-30The reaction mechanism of alcohol dehydrogenase involves direct hydride transfer of the pro-R hydrogen of NADH to the re face of acetaldehyde.

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Table 17-2 Some Effectors of the Nonequilibrium Enzymes of Glycolysis.

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Figure 17-32a X-Ray structure of PFK. (a) A ribbon diagram showing two subunits of the

tetrameric E. coli protein.

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Mg+2

ATP

F6P

Figure 17-33 PFK activity versus F6P concentration.

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Figure 17-35 Metabolism of fructose.

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Figure 17-36 Metabolism of galactose.

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Figure 17-37 Metabolism of mannose.

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Figure 17-31 Schematic diagram of the plasmid constructed to control the amount of

citrate synthase produced by E. coli.

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“Alfonse, Biochemistry makes my head hurt!!”\