Metabolism Problem Set
Problem 12: Hexokinase
In the first step of glycolysis, the enzyme hexokinase uses ATP to transfer a phosphate to glucose to form glucose-6-phosphate. The product continues to be oxidized forming pyryvate in glycolysis and is a precursor to acetyl-CoA for the citric acid cycle. Suppose that a cell has only glucose available for energy and that the activity of hexokinase is suddenly stopped in this cell. Which of the following conditions will occur?
A. The cell will continue to produce energy from mitochondrial electron transport
The Biology Project
University of Arizona
Tuesday, August 20, 1996
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