24 Questions
How many ATP molecules are created during the generating phase of glycolysis?
4 ATP
What is the net ATP production per glucose molecule in glycolysis?
2 ATP
How many NADH molecules are generated per glucose molecule in glycolysis?
2 NADH
Which reactions in glycolysis are irreversible?
All of the above
Which phase of glycolysis requires ATP?
Preparative Phase
How many ATP molecules are required during the preparatory phase of glycolysis?
2 ATP
What is the role of Mg2+ cofactor in Reaction 1 of glycolysis?
It stabilizes the enzyme
How does Reaction 2 of glycolysis proceed in the forward direction despite having a positive ΔG°?
It is coupled with an exergonic reaction
What is the rate-limiting and committing step of glycolysis?
Reaction 3
What would be the effect on glycolysis if triose phosphate isomerase was not present/able to function?
Glycolysis would stop at Reaction 5
Which enzyme is responsible for Reaction 6 of glycolysis?
Glyceraldehyde-3-phosphate dehydrogenase
What is the ΔG° for Reaction 8 of glycolysis?
4.4 kJ/mol
Which enzyme is responsible for Reaction 9 of glycolysis?
Enolase
Which Enzyme is responsible for the last step of glycolysis?
Pyruvate Kinase
Which enzyme is responsible for the formation of fructose 1,6-bisphosphate?
Phosphofructosekinase 1(PFK-1)
What is the main rate-limiting reaction in glycolysis?
Fructose 6-Phosphate to Fructose 1, 6-biphosphate
Aldolase catalyzes the formation of...
Dihydroxyacetone phosphate + Glyceralaldehyde 3-phosphate
Conversion fo G-6-P to F-6-P is catalyzed by
Phosphoglucose isomerase
Phosphoglycerate kinase will..
Remove a phosphate from biphosphoglycerate
Enolase produces
H2O + Phosphoenolpyruvate
Pyruvate kinase produces...
Pyruvate + ATP
Which enzyme(s) requires magnesium as a cofactor?
Pyruvate kinase
PFK phosphorylates..
F-6-P
Triose phosphate isomerase catalyzes the...
Conversion of DHAP to G3P
Test your knowledge of the phases and reactions involved in glycolysis with this informative quiz. Explore the preparative and ATP-generating phases, as well as the specific enzymes and reactions that occur. Challenge yourself with questions about glucose trapping and the overall overview of glycolysis.
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