Suppose the biochemical pathway represented in Equation 5-10a is coupled at its first step to the hydrolysis of ATP to ADP. How would this change the expres- sion for AG of the pathway?
Suppose the biochemical pathway represented in Equation 5-10a is coupled at its first step to the hydrolysis of ATP to ADP. How would this change the expres- sion for AG of the pathway?
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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Transcribed Image Text:Suppose the biochemical pathway represented in Equation 5-10a is coupled at its
first step to the hydrolysis of ATP to ADP. How would this change the expres-
sion for AG of the pathway?
![AG†
AG
AG
AS B*CD
(5-10a)
in which the AG*s give the standard free-energy change for each step. We
can write the free-energy change for each step:
[B]
А > В:
AGAB = AGÅB + RT 1n
[A]
[C]
AGBC = AGic + RT 1n
[B]
В — С:
(5-10b)
[D]
AGÉD + RT 1n
[C]
С — D:
AGCD =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F403d5df5-c9a3-47af-a06d-d9770154fd48%2F64fd53ac-473b-4e5a-ac4c-66035dc147f4%2Fom69t5_processed.png&w=3840&q=75)
Transcribed Image Text:AG†
AG
AG
AS B*CD
(5-10a)
in which the AG*s give the standard free-energy change for each step. We
can write the free-energy change for each step:
[B]
А > В:
AGAB = AGÅB + RT 1n
[A]
[C]
AGBC = AGic + RT 1n
[B]
В — С:
(5-10b)
[D]
AGÉD + RT 1n
[C]
С — D:
AGCD =
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