Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 21, Problem 12P
Interpretation Introduction
To determine:
The nature of the specific effects induced in chloroplasts by light and to specify how the
Introduction:
The process of conversion of inorganic carbon dioxide to organic compounds as done by the living organisms is known as carbon fixation or carbon dioxide fixation or carbon assimilation.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Uncouplers of oxidative phosphorylation in mitochondria also uncouple photoelectron transport and ATP synthesis in chloroplasts. Give an explanation for this observation
complex 4 cytochrome C
oxidase
COxidation of one molecule of NADH by the ETC result in transport of 10 protons across the membrane.
The c-ring of the ATP synthase in your experimental system contains 12 c subunits. Based on the
"binding-change" mechanism of ATP synthesis, how many ATP molecules would be produced from one
NADH molecule?
n Name the processes that generate NADH during aerobic respiration. For each process, indicate the
Pathway of CO2 Assimilation in Maize
If a maize (corn) plant is illuminated in the presence of 1"CO2, after about 1 second, more
than 90% of all the radioactivity incorporated in the leaves is found at C-4 of malate,
aspartate, and oxaloacetate. Only after 60 seconds does 14C appear at C-1 of 3-
phosphoglycerate. Explain.
ATP Consumption by Root Nodules in Legumes
Bacteria residing in the root nodules of the pea plant consume more than 20% of the ATP
produced by the plant. Suggest why these bacteria consume so much ATP.
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
Knowledge Booster
Similar questions
- The Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If noncyclic photosynthetic electron transport leads to the translocation of 7 H+/2e- and cyclic photosynthetic electron transport leads to the translocation of 2 H+/e-, what is the relative photosynthetic efficiency of ATP synthesis (expressed as the number of photons absorbed per ATP synthesized) for noncyclic versus cyclic photophosphorylation? (Assume that the CF1CF0-ATP synthase yields 3 ATP/14 H+.)arrow_forwardDuring respiration various oxidation reduction reaction occur in plants. Could you expand this point further?arrow_forwardSo the last few blanks are between cyclic and nocyclic but im not sure how to calulate for the problemarrow_forward
- The compound Carbonyl cyanide-p-trifluoromethoxyphenyl hydrazone (FCCP) acts as an uncoupler of electrochemical gradients (in both mitochondria and chloroplasts) by shuttling protons across membranes. Predict the effect of a high dose of FCCP on the synthesis of ATP and NADPH in photosynthesis. Rationalize your answersAnswer separately with prediction and reason please thank you so mucharrow_forwardEnzymes normally enhance the rates of biochemical reactions by preferentially binding and stabilizing the transition states rather than either the substrates or the products of a reaction. The F|-subunit of ATP synthase does not fit this norm so well as tight binding to ATP rather than a transition state is employed to make ATP. Explain the binding-change model of the mechanism of ATP-synthase. How and why is the proton-motive force used in the reaction cycle of ATP synthase?arrow_forwardWhat is midpoint potential of redox active centers in photosynthetic organisms? What factors affect this? Also how does charge become offset during water oxidation rxns?.arrow_forward
- In regard to photosynthesis. Electron flow of the light reactions is a series of oxidation-reduction reactions. Do you agree with this statement?arrow_forwardIf actively respiring mitochondria are exposed to an inhibitor of ATPADP translocase, the electrontransport chain ceases to operate. Why?arrow_forwardWhy would “knocking out” a gene for a chloroplast fatty acid desaturase (an enzyme involved in synthesizing fatty acids containing three double bonds) increase the rate of photosynthesis at 40°C, a temperature at which photosynthesis is normally impaired?arrow_forward
- Provide a simplified schematic presentation of (non-cyclic) photophosphorylation. Clearly indicate the location and direction of electron and proton flow as well as organelle compartments. (You can also draw the Z-scheme but then you have to include ADP phosphorylation).arrow_forwardElectron transfer pathway (ETP) plays a major role to produce ATP. Discuss themechanism in ETP using mobile electron carriers in the series of oxidation reductionreaction.arrow_forwardN1arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- BiochemistryBiochemistryISBN:9781305577206Author:Reginald H. Garrett, Charles M. GrishamPublisher:Cengage LearningBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Biochemistry
Biochemistry
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Cengage Learning
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax