PRACTICE%20SET%205

PRACTICE%20SET%205 - PRACTICE SET 5 Gluconeogenesis,...

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- 1 - PRACTICE SET 5 Gluconeogenesis, Polysaccharide Synthesis, Pentose Phosphate Pathway, Photosynthetic Carbon Fixation (Calvin Cycle) RECOMMENDED PROBLEMS FROM THE TEXTS: LNC: Ch 20 (1-10, 14, 15) G&G: Ch 22 (4, 5, 8); Ch 23 (1-7, 11, 12) VV&P: Ch 14 (8-10); Ch 15 (1-10); Ch 18 (7-9) 1. List the biologically important functions of the pentose phosphate pathway. 2. Draw the structure of the products formed when fructose-6-phosphate reacts with erythrose-4-phosphate in the presence of transketolase. 3. Draw the structures of the products formed when ribose-5-phosphate reacts with sedoheptulose-7-phosphate in the presence of transaldolase. 4. Explain the metabolic fate of glucose 6-P under each of the following metabolic conditions: (a) much more NADPH than ribose-5-P is required, (b), much more ribose 5- P than NADPH is required, and (c) the needs for both ribose 5-P and NADPH are such that 1 mole of ribose-5-P is needed for every 2 moles of NADPH produced. 5.
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PRACTICE%20SET%205 - PRACTICE SET 5 Gluconeogenesis,...

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