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Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP. requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1. luciferin + O2 = oxyluciferin + light 2. ATP - AMP + PP AG = -31.6 kJ/mol %3D If the overall AG of the coupled reaction is -8.70 kJ/mol, what is the equilibrium constant, K, of the first reaction at 13 °C?

Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP. requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1. luciferin + O2 = oxyluciferin + light 2. ATP - AMP + PP AG = -31.6 kJ/mol %3D If the overall AG of the coupled reaction is -8.70 kJ/mol, what is the equilibrium constant, K, of the first reaction at 13 °C?

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section16.9: Gibbs Free Energy And Biological Systems
Problem 16.13E
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Part C Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP- requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1. luciferin + O2 = oxyluciferin + light = AMP + PP, 2. ATP AG = -31.6 kJ/mol If the overall AG of the coupled reaction is -8.70 kJ/mol, what is the equilibrium constant, K, of the first reaction at 13 °C ? Express your answer numerically. > View Available Hint(s) K = Submit
Transcribed Image Text:Part C Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP- requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1. luciferin + O2 = oxyluciferin + light = AMP + PP, 2. ATP AG = -31.6 kJ/mol If the overall AG of the coupled reaction is -8.70 kJ/mol, what is the equilibrium constant, K, of the first reaction at 13 °C ? Express your answer numerically. > View Available Hint(s) K = Submit
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