Beriberi is a disease caused by a deficiency of vitamin B1 (thiamine) in the diet. Thiamine is the precursor of thiamine pyrophosphate. In view of what you have learned in this chapter, why is it not surprising that alcoholics tend to develop this disease?
Answer to relevant QuestionsCancer cells grow so rapidly that they have a higher rate of anaerobic metabolism than most body tissues, especially at the center of a tumor. Can you use drugs that poison the enzymes of anaerobic metabolism in the ...Why would enzymes be found as isozymes? Why is it advantageous for two control mechanisms —allosteric control and covalent modification—to be involved in the metabolism of glycogen? How would it affect the reactions of the pen-tose phosphate pathway to have an epimerase and not an isomer-ase to catalyze the reshuffling reactions? Show, by Lewis electron-dot structures of the appropriate portions of the molecule, where electrons are lost in the following conversions: (a) Pyruvate to acetyl-CoA (b) Isocitrate to a-ketoglutarate (c) a-Ketoglutarate to ...
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