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Problem 2. The Cori cycle (McKee Fig. 8.11) replenishes glucose a muscle uses during exercise. Glycolysis in the muscle converts glucose to lactate. Muscle releases lactate to blood. Blood carries lactate to liver. Liver takes up lactate. Liver converts lactate to glucose and releases glucose to blood. Blood returns glucose to muscle. Muscle takes up glucose to complete the cycle. Although the Cori cycle completely recycles glucose, each molecule of glucose goes through glycolysis and GNG once every cycle. A. Glycolysis produces lactate from glucose in the muscle. 1. Describe conditions in the muscle cell that cause lactate to form from glucose. 2. For each molecule of glucose converted to lactate in the muscle, how many net molecules of ATP are consumed or produced? 3. For each molecule of glucose converted to lactate in the muscle, how many net molecules of NADH are consumed or produced?

Problem 2. The Cori cycle (McKee Fig. 8.11) replenishes glucose a muscle uses during exercise. Glycolysis in the muscle converts glucose to lactate. Muscle releases lactate to blood. Blood carries lactate to liver. Liver takes up lactate. Liver converts lactate to glucose and releases glucose to blood. Blood returns glucose to muscle. Muscle takes up glucose to complete the cycle. Although the Cori cycle completely recycles glucose, each molecule of glucose goes through glycolysis and GNG once every cycle. A. Glycolysis produces lactate from glucose in the muscle. 1. Describe conditions in the muscle cell that cause lactate to form from glucose. 2. For each molecule of glucose converted to lactate in the muscle, how many net molecules of ATP are consumed or produced? 3. For each molecule of glucose converted to lactate in the muscle, how many net molecules of NADH are consumed or produced?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Problem 2. The Cori cycle (McKee Fig. 8.11) replenishes glucose a muscle uses during exercise. Glycolysis in the muscle converts glucose to lactate. Muscle releases lactate to blood. Blood carries lactate to liver. Liver takes up lactate. Liver converts lactate to glucose and releases glucose to blood. Blood returns glucose to muscle. Muscle takes up glucose to complete the cycle. Although the Cori cycle completely recycles glucose, each molecule of glucose goes through glycolysis and GNG once every cycle. A. Glycolysis produces lactate from glucose in the muscle. 1. Describe conditions in the muscle cell that cause lactate to form from glucose. 2. For each molecule of glucose converted to lactate in the muscle, how many net molecules of ATP are consumed or produced? 3. For each molecule of glucose converted to lactate in the muscle, how many net molecules of NADH are consumed or produced?
Transcribed Image Text:Problem 2. The Cori cycle (McKee Fig. 8.11) replenishes glucose a muscle uses during exercise. Glycolysis in the muscle converts glucose to lactate. Muscle releases lactate to blood. Blood carries lactate to liver. Liver takes up lactate. Liver converts lactate to glucose and releases glucose to blood. Blood returns glucose to muscle. Muscle takes up glucose to complete the cycle. Although the Cori cycle completely recycles glucose, each molecule of glucose goes through glycolysis and GNG once every cycle. A. Glycolysis produces lactate from glucose in the muscle. 1. Describe conditions in the muscle cell that cause lactate to form from glucose. 2. For each molecule of glucose converted to lactate in the muscle, how many net molecules of ATP are consumed or produced? 3. For each molecule of glucose converted to lactate in the muscle, how many net molecules of NADH are consumed or produced?
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