PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to the Krebs Cycle
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to the Electron Transport Chain
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Out of the cell
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to your mom’s house
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Detailed explanation-1: -Electrons from NADH enter the electron transport chain in complex I, which consists of nearly 40 polypeptide chains (Figure 10.8). These electrons are initially transferred from NADH to flavin mononucleotide and then, through an iron-sulfur carrier, to coenzyme Q-an energy-yielding process with G°´ =-16.6 kcal/mol.
Detailed explanation-2: -Specifically, NADH produced in glycolysis is utilized in reactions catalyzed by lactate dehydrogenase (LDH) (82) or transported to the mitochondria for oxidation in the electron transport chain (37) to maintain the redox states (NADH/NAD+) in cytosol and mitochondria.
Detailed explanation-3: -1: Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate, which itself enters the citric acid cycle to produce more energy.