Explain why several biochemical pathways start by putting a coenzyme A onto the molecule that initiates the pathway.
Answer to relevant QuestionsWhich of the following statements is (are) true about the modified standard state for biochemistry? For each, explain why or why not. (a) [H+] 5 1 3 10–7 M, not 1 M. (b) The concentration of any solute is 1 × 10–7 M. Convert each of the following chair conformations to an open-chain from and to a Fischer projection. Name the monosaccharides you have drawn. What is the benefit of fiber in the diet? Which reaction or reactions that we have met in this chapter require NADH? Which reaction or reactions require NAD+? List the enzymes that catalyze the reactions that require NADH and that require NAD+. 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 ...
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