Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Question
Chapter 21, Problem 8P
Interpretation Introduction
To calculate:
Photons required by the Photophosphorylation of Rhodopseudomonas viridis to synthesize three ATPs.
Introduction:
The enzyme of ATP synthase produces the ATP (adenosine triphosphate) which the molecule that helps in storing the energy. In all organisms this ATP is used as the energy currency of cells.
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Calculate (in kJ/mol) the energy that is required by the Rhodopseudomonas viridis photophosphorylation system to synthesize 3 ATP?
(Assume that the R. viridis F1F-ATP synthase c-subunit rotor contains 12 c-subunits and that the R. viridis cytochrome b/c complex translocates 2 H/e". Also assume that the wavelength of lig!
is 680 nm.)
Number of photons required to synthesize 3 ATP =
photons
Energy =
kJ/mol
Focusing on the mechanism linking complex I and ATP synthase depicted in figure 3 in the article, compare that hypothetical mechanism to the classical presentation described in textbooks. What are the major differences between this mechanism and Peter Mitchel’s original chemiosmotic theory? What are the similarities.
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Chapter 21 Solutions
Biochemistry
Ch. 21 - P700* Has the Most Negative Standard Reduction...Ch. 21 - Prob. 2PCh. 21 - Prob. 3PCh. 21 - Prob. 4PCh. 21 - The Relative Efficiency of ATP Synthesis in...Ch. 21 - pH and in the Chloroplast Proton-Motive Force...Ch. 21 - Prob. 7PCh. 21 - Prob. 8PCh. 21 - Prob. 9PCh. 21 - Prob. 10P
Ch. 21 - Tracing the Fate of CO2 During Photosynthesis...Ch. 21 - Prob. 12PCh. 21 - Prob. 13PCh. 21 - The Source of the Oxygen Atoms in Photosynthetic...Ch. 21 - Prob. 15PCh. 21 - Prob. 16PCh. 21 - Prob. 17PCh. 21 - The Overall Free Energy Change for Photosynthetic...Ch. 21 - Prob. 19PCh. 21 - Prob. 20PCh. 21 - Prob. 21P
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