Quick Revision Series

NBME-Style Case-Based Questions on the regulation of glycolysis with explanations

Quick Revision Series, USMLE styled question bank /

Question 1: A 25-year-old man runs a marathon. After 20 miles, his muscle cells are relying heavily on glycolysis for energy production. Which of the following changes is most likely increasing the rate of glycolysis in his muscles? A. Accumulation of alanine B. Decreased availability of glucose C. Decreased oxygen levels D. Increased AMP concentration […]

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Summary of Regulation of Glycolysis

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Glycolysis is the metabolic pathway that converts glucose into pyruvate, generating ATP and NADH in the process. It occurs in the cytoplasm of cells and is essential for energy production. Glycolysis is regulated at multiple levels to match energy demand with supply. Modes of Glycolysis Regulation Substrate Concentration The availability of glucose directly influences the

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Enzymology Revision (Multiple Choice Questions With Complete Explanations)

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Q.1: Glycogen phosphorylase, which mobilizes glycogen for energy, requires which of the following as a cofactor? Adenosyl Cobalamine Coenzyme A Pyridoxal phosphate Tetrahydrofolate Thiamine pyrophosphate Correct Answer: C) Pyridoxal phosphate Explanation: Glycogen phosphorylase is instrumental in the process of glycogenolysis, where it facilitates the breakdown of glycogen into glucose-1-phosphate, thereby playing a vital role in

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