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Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. Reaction A: P; + glucose →→→ glucose-6-phosphate + H₂O AG = 13.8 kJ/mol P: + fructose-6-phosphate fructose-1,6-bisphosphate + H₂O AG = 16.3 kJ/mol Reaction B: Reaction C: ATP + H₂O → ADP + P₁ AG = -30.5 kJ/mol Select every unfavorable reaction. reaction C reaction A reaction B Select every set of coupled reactions where the overall reaction is favorable. reactions A and C reactions B and C reactions A and B What is the net change in free energy if one set of reactions from the previous question is coupled so that the overall reaction is favorable? Note that if you selected more than one set of coupled reactions as favorable in the previous question, you may enter the net change for any one of your selected sets. AG = kJ/mol

Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. Reaction A: P; + glucose →→→ glucose-6-phosphate + H₂O AG = 13.8 kJ/mol P: + fructose-6-phosphate fructose-1,6-bisphosphate + H₂O AG = 16.3 kJ/mol Reaction B: Reaction C: ATP + H₂O → ADP + P₁ AG = -30.5 kJ/mol Select every unfavorable reaction. reaction C reaction A reaction B Select every set of coupled reactions where the overall reaction is favorable. reactions A and C reactions B and C reactions A and B What is the net change in free energy if one set of reactions from the previous question is coupled so that the overall reaction is favorable? Note that if you selected more than one set of coupled reactions as favorable in the previous question, you may enter the net change for any one of your selected sets. AG = kJ/mol

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. P; + glucose →→→ glucose-6-phosphate + H₂O AG = 13.8 kJ/mol P₁ + fructose-6-phosphate →→→ fructose-1,6-bisphosphate + H₂O AG = 16.3 kJ/mol Reaction A: Reaction B: Reaction C: ATP + H₂O → ADP + P₁ AG = -30.5 kJ/mol Select every unfavorable reaction. reaction C reaction A reaction B Select every set of coupled reactions where the overall reaction is favorable. reactions A and C reactions B and C reactions A and B What is the net change in free energy if one set of reactions from the previous question is coupled so that the overall reaction is favorable? Note that if you selected more than one set of coupled reactions as favorable in the previous question, you may enter the net change for any one of your selected sets. AG = kJ/mol
Transcribed Image Text:Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. P; + glucose →→→ glucose-6-phosphate + H₂O AG = 13.8 kJ/mol P₁ + fructose-6-phosphate →→→ fructose-1,6-bisphosphate + H₂O AG = 16.3 kJ/mol Reaction A: Reaction B: Reaction C: ATP + H₂O → ADP + P₁ AG = -30.5 kJ/mol Select every unfavorable reaction. reaction C reaction A reaction B Select every set of coupled reactions where the overall reaction is favorable. reactions A and C reactions B and C reactions A and B What is the net change in free energy if one set of reactions from the previous question is coupled so that the overall reaction is favorable? Note that if you selected more than one set of coupled reactions as favorable in the previous question, you may enter the net change for any one of your selected sets. AG = kJ/mol
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