Conversion of pyruvate to glucose by reversal of glycolysis has a ?Goâ of +84 kJ/mol, whereas gluconeogenesis occurs with a ?Goâ of ?38 kJ/mol. Where does the energy come from that drives gluconeogenesis? Show the three enzyme reactions where this energy is consumed.
Conversion of pyruvate to glucose by reversal of glycolysis has a ?Goâ of +84 kJ/mol, whereas gluconeogenesis occurs with a ?Goâ of ?38 kJ/mol. Where does the energy come from that drives gluconeogenesis? Show the three enzyme reactions where this energy is consumed.
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QUESTION 1
Gluconeogenesis
uses some of the same enzymes as glycolysis but in the reverse direction | ||
uses all of the same enzymes as glycolysis but in the reverse dierection | ||
Uses all of the same enzymes as glycolysis some in the same direction but some in the reverse direction | ||
Does not use any of the same enzymes as glycolysis |
QUESTION 2
Glycolysis is the process by which
Glucose is broken down to CO2 | ||
Energy is extracted from glucose | ||
Glucose is reformed with a net gain in energy | ||
Oxygen is reduced and a proton gradient is established across the mitochondrial membrane |
QUESTION 3
In vivo regulation of a biochemical reaction often occurs via:
Mass action | ||
Alterations in body temperature | ||
Alterations in cytosolic pH | ||
Allosteric interactions |