In E. coli, oxidation-reduction reactions (or ATP hydrolysis) within the cell membrane generates a ApH of 1.3 (interior higher by 1.3 unit) and a AV of -121 mV (interior negative). Along with H+ ions, beta-galactosides are cotransported in response to the total "proton motive force." How much energy (in kcal/mol) is made available by the above ApH and AV? Be sure to include the sign of G in your answer. The temperature is 37 °C, F = 23.1 kcal/V.mol.

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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In E. coli,
oxidation-reduction reactions
(or ATP hydrolysis) within the cell
membrane generates a ApH of 1.3
(interior higher by 1.3 unit) and a AV of
-121 mV (interior negative). Along with
H+ ions, beta-galactosides are
cotransported in response to the total
"proton motive force." How much
energy (in kcal/mol) is made available
by the above ApH and AV? Be sure to
include the sign of G in your answer.
The temperature is 37 °C, F = 23.1
kcal/V.mol.
Transcribed Image Text:In E. coli, oxidation-reduction reactions (or ATP hydrolysis) within the cell membrane generates a ApH of 1.3 (interior higher by 1.3 unit) and a AV of -121 mV (interior negative). Along with H+ ions, beta-galactosides are cotransported in response to the total "proton motive force." How much energy (in kcal/mol) is made available by the above ApH and AV? Be sure to include the sign of G in your answer. The temperature is 37 °C, F = 23.1 kcal/V.mol.
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