Coupled reactions occur where a nonspontaneous reaction is enabled by coupling it to a spontaneous reaction. This approach is common in biological settings. Determine if ATP could be generated by this biochemical reaction. You have calculated that cell potential is +0.637V. An example of a coupled reaction is the first step of glycolysis, the phosphorylation of glucose to form glucose-6-phosphate shown below. The net ∆Gº for this reaction is

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Chapter1: Biochemistry: An Evolving Science
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Coupled reactions occur where a nonspontaneous reaction is enabled by coupling it to a spontaneous reaction. This approach is common in biological settings. Determine if ATP could be generated by this biochemical reaction. You have calculated that cell potential is +0.637V. An example of a coupled reaction is the first step of glycolysis, the phosphorylation of glucose to form glucose-6-phosphate shown below. The net ∆Gº for this reaction is

H
H
H-
OH
H
glucose
H
ATP
00
O=a
00
phosphate anion
H₂O
H
AG = +14.0 kJ/mol
AG = -30.5 kJ/mol
H
H
H H
ADP
H
H₂O
-H
glucose-6-phosphate
phosphate anion
Transcribed Image Text:H H H- OH H glucose H ATP 00 O=a 00 phosphate anion H₂O H AG = +14.0 kJ/mol AG = -30.5 kJ/mol H H H H ADP H H₂O -H glucose-6-phosphate phosphate anion
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