Which of the following is not a suitable starting compound for gluconeogenesis? A. Lactate B. Pyruvate C. Leucine D. Alanine E. Glycerol What term is used to describe reactions that generate metabolic intermediates of a pathway? A. Amphibolic B. Anaplerotic C. Amphipathic D. Refilling Which of the following statements regarding the regulation of glycogen metabolism is false? A. Glycogen synthase activity is dictated by its phosphorylation status. B. Glycogen phosphorylase is inhibited by ATP. C. Adrenaline stimulates glycogen breakdown. D. Glycogen phosphorylase is activated by AMP and glucose-6-phosphate.

Which of the following is not a suitable starting compound for gluconeogenesis? A. Lactate B. Pyruvate C. Leucine D. Alanine E. Glycerol What term is used to describe reactions that generate metabolic intermediates of a pathway? A. Amphibolic B. Anaplerotic C. Amphipathic D. Refilling Which of the following statements regarding the regulation of glycogen metabolism is false? A. Glycogen synthase activity is dictated by its phosphorylation status. B. Glycogen phosphorylase is inhibited by ATP. C. Adrenaline stimulates glycogen breakdown. D. Glycogen phosphorylase is activated by AMP and glucose-6-phosphate.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter7: Cellular Respiration: Harvesting Chemical Energy

Section: Chapter Questions

Problem 9TYK: Which of the following statements is false? Imagine that you ingested three chocolate bars just...

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When glucose reacts with ATP to form glucose-6-phosphate: a. the synthesis of glucose-6-phosphate is exergonic. b. ADP is at a higher energy level than ATP. c. glucose-6-phosphate is at a higher energy level than glucose. d. because ATP donates a phosphate to glucose, this is not a coupled reaction. e. the reaction is spontaneous.
1.a. Given what you know about glycolysis and gluconeogenesis, does it make sense that insulin activates PDH phosphatase? Why? b.How do vitamins increase to the breadth of chemical reactions available within a biological system?
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5. How does the epinephrine hormone regulate glycogen catabolism in the liver and muscle? Please provide sequential steps involved in the regulation (inhibition or activation) of each enzyme in the form of a sketch.
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If the human body is stressed, glucocorticoids: a. promote the breakdown of proteins in the muscles and bones. b. increase the amount of sodium reabsorbed from urine in the kidneys. c. decrease potassium secretion from the kidneys. d. decrease glucose uptake by cells in the nervous system. e. inhibit the synthesis of glucose from noncarbohydrate sources.
Which of the following statements is false? Imagine that you ingested three chocolate bars just before sitting down to study this chapter. Most likely: a. your brain cells are using ATP. b. there is no deficit of the initial substrate to begin glycolysis. c. the respiratory processes in your brain cells are moving atomsfrom glycolysis through the citric acid cycle to the electrontransfer system. d. after a couple of hours, you change position and stretch torest certain muscle cells, which removes lactate from thesemuscles. e. after 2 hours, your brain cells are oxygen-deficient.
Glycolysis results in the production of two ________ molecules from a single molecule of glucose. In the absence of ________, the end product of glycolysis is ________. acetyl CoA, pyruvate, lactate ATP, carbon, pyruvate pyruvate, oxygen, lactate pyruvate, carbon, acetyl CoA