Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Question
Chapter 21, Problem 4P
Interpretation Introduction
Interpretation:
The enzyme not involved directly in glycogen degradation should be determined.
Concept introduction:
The breakdown of glycogen to glucose and glucose-1-phosphate during the process of glycogenolysis. The rate limiting step of glycogenolysis is the release of glucose 1-phosphate from a 1, 4-glycosidic bond at the terminal end by the enzyme glycogen phosphorylase.
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Chapter 21 Solutions
Biochemistry
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Ch. 21 - Prob. 11PCh. 21 - Prob. 12PCh. 21 - Prob. 13PCh. 21 - Prob. 14PCh. 21 - Prob. 15PCh. 21 - Prob. 16PCh. 21 - Prob. 17PCh. 21 - Prob. 18PCh. 21 - Prob. 19PCh. 21 - Prob. 20PCh. 21 - Prob. 21PCh. 21 - Prob. 22PCh. 21 - Prob. 23PCh. 21 - Prob. 24PCh. 21 - Prob. 25PCh. 21 - Prob. 26PCh. 21 - Prob. 27PCh. 21 - Prob. 28PCh. 21 - Prob. 29PCh. 21 - Prob. 30PCh. 21 - Prob. 31PCh. 21 - Prob. 32PCh. 21 - Prob. 33PCh. 21 - Prob. 34PCh. 21 - Prob. 35PCh. 21 - Prob. 36PCh. 21 - Prob. 37PCh. 21 - Prob. 38PCh. 21 - Prob. 39PCh. 21 - Prob. 40PCh. 21 - Prob. 41PCh. 21 - Prob. 42PCh. 21 - Prob. 43PCh. 21 - Prob. 44PCh. 21 - Prob. 45PCh. 21 - Prob. 46P
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- Working at cross-purposes? Gluconeogenesis takes place during intense exercise, which seems counterintuitive. Why would an organism synthesize glucose and at the same time use glucose to generate energy?arrow_forwardDescribe the advantages of using triacylglycerols as the principal source of stored metabolic energy.arrow_forwardBIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : The coenzyme biocytin is associated with which of the following vitamins? A. pyridoxine B. thiamine C. biotin D. nicotinic acidarrow_forward
- True or False? Intermediates in the glycolysis pathway can be a source of raw material if the cell wants to construct biological molecules such as triglycerides or amino acids, but the citric acid cycle cannot be used this way.arrow_forwardTrue or False e. Triacylglycerols and glycerophospholipids both contain fatty acids and saponifiable. True False f. Pyruvate serves as the precursor of the glycerol backbone during TAG biosynthesis. True Falsearrow_forwarda- During intense exercise the transformation glucose to lactate causes very less ATP production compared to aerobic glycolysis. Explain, does anaerobic glycolysis lead to waste of energy in muscle? b-Glycogen phosphorylase enzyme catalyzes the removal of glucose from glycogen. Describe, glycogen metabolism regulation through glycogen phosphorylase.arrow_forward
- Using a biochemical map and text describe the process by which lactate is recycled from the muscle to liver for gluconeogenesis during high intensity exercise (e.g. a soccer match).arrow_forwardTrue/false? if false, justify briefly Lipids cannot enter the Krebs cycle. They are used for membrane biosynthesis only.arrow_forwardWhat are the direct products of b oxidation of a fully saturated, straight-chain fatty acid of 11 carbons? Remember to show your work.arrow_forward
- Can I get help with this question in very brief sentences please in your own words thank you! 1. Does increasing amylase production alleviate the symptoms of lactose intolerance? Why or why not?arrow_forwardc) Cooperation between glycolysis and gluconeogenesis is important to ensure the glucose-subjected energy demands of specific cells are met. Explain this statement.arrow_forwardI'm confused about glycolysis and gluconeogenesis. Question: What is the function of glyceraldehyde 3-phosphate dehydrogenase? Is it because of -> The incorporation of a phosphate from ATP and reduction of glyceraldehyde 3-phosphate or ->The incorporation of phosphate from inorganic phosphate and reduction of glyceraldehyde 3-phosphate. or -> The incorporation of phosphate from inorganic phosphate and oxidation of glyceraldehyde 3-phosphatearrow_forward
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