Starting with the open-chain form of d-ribose, write equations for the cyclization reactions that form the pyranose and the furanose forms.
Answer to relevant QuestionsDraw a Haworth projection for the disaccha-ride gentibiose, given the following information: (a) It is a dimer of glucose. (b) The glycosidic linkage is β(1 → 6). (c) The anomeric carbon not involved in the glycosidic ...How would you expect the active site of a cel-lulase to differ from the active site of an enzyme that degrades starch? 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+. What is unique about TPP that makes it useful in decarboxylation reactions? What is the effect on gluconeogenesis and glycogen synthesis of (a) Increasing the level of ATP, (b) Decreasing the concentration of fructose-1,6-bisphosphate, and (c) Increasing the concentration of fructose-6-phosphate?
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