Imagine that ferredoxin is no longer able to participate in cyclic electron flow but is otherwise unaffected. What is the logical result? Select all statements that are true below. O a. Water would be oxidized O b. The Calvin cycle would stop NADPH would no longer be made O d. ATP would no longer be made U e. The light reactions would stop

Imagine that ferredoxin is no longer able to participate in cyclic electron flow but is otherwise unaffected. What is the logical result? Select all statements that are true below. O a. Water would be oxidized O b. The Calvin cycle would stop NADPH would no longer be made O d. ATP would no longer be made U e. The light reactions would stop

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter20: Electron Transport And Oxidative Phosphorylation

Section: Chapter Questions

Problem 19P

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Which of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2
Imagine that ferredoxin is no longer able to participate in cyclic electron flow but is otherwise unaffected. What is the logical result? Select all statements that are true below. O a. The light reactions would stop O b. Water would be oxidized U c. NADPH would no longer be made Od. ATP would no longer be made U e. The Calvin cycle would stop
If 30 molecules of CO2 enter the Calvin Cycle,a. How many molecules of phosphoglycerate (PGA) will be produced? b. How many molecules of glyceraldehyde phosphate (PGAL) leave the cycle? c. How many molecules of ribulose bisphosphate (RuBP) will be produced? d. How many molecules of ATP will be utilized?
which of the following woudl decrease the number of atp molecules generated per nadh molecule in the electron transport chain? a. increasing the energy of the electrons nadh transfer to complex I b. reducing the number of protons required by ATP synthase to produce an ATP moelcule c. having nadh transfer its elections to complex III instead of complex I d. increasing the amount of oxygen available to the cell
Which of the following statements are true? Explain. I. ATP synthesis will cease to occur when the electron flow is blocked by cyanide. II. 2,4-DNP allows electron flow to continue in the ETC without the synthesis of ATP. III. -ΔG is the quantity that signifies that the reaction is SPONTANEOUS.
The end product(s) of the light independent reactions (Calvin cycle) of photosynthesis is glyceraldehyde-3-phosphate. Where (if any) can this product enter into catabolic metabolism to make ATP for the cell? Select one: a. the Kreb’s cycle since the end product is pyruvate b. the energy investment stage (step 1) of glycolysis c. the energy payoff stage of glycolysis d. oxidative phosphorylation since the end product(s) are ATP and NADH
Glycolisis Vs Photosynthesis A. Explain similarites and differences. B. Explain their functions C. Explain why they have their ETC D. Explain the concept of autotroph E. Who is the last electron acceptor in Cellular Respiration and why? F. Who is the last electron acceptor in Photosynthesis and why?
For each of the statements below, indicate whether they are true or false and then in detail explain why the false statements are incorrect, making reference to the relevant cell processes and/or molecules. A. In cellular respiration the ETC transfers electrons via redox reactions whereas in photosynthesis the ETC transfers electrons using light. B. In cellular respiration the ETC creates a proton gradient with the higher concentration on the outer side of the inner membrane whereas in photosynthesis the ETC creates a proton gradient with the higher concentration on the inner side of the thylakoid membrane. C. In cellular respiration the ETC gradient is used to power ATP production by oxidative phosphorylation whereas in photosynthesis the ETC gradient is used to power ATP production by substrate level phosphorylation.
NADH (Select all choices that apply) A. is an oxidized molecule B. is the reduced form of NAD+ C. is produced in photosynthesis non-cyclic reactions D. is responsible for allowing more ATP production than FADH2 E. plays a role in glycolysis, transition, Krebs cycle and the ETS
Which of the following reaction pathways is primarily exergonic? (Remember that exergonic reactions do not need a continuous energy input.) Group of answer choices A. glycolysis B. P680 C. Krebs cycle D. Calvin cycle E. P700
Which of the following substances does not participate in the Calvin–Benson cycle? a. ATP d. PGAL b. NADPH e. O2 c. RuBP f. CO2
Consider the function of the cofactor FAD. Which of the following makes it unique (different) from NAD+? Select all that apply. a. Can facilitate single electron transfers b. Is associated with an enzyme and not a mobile electron carrier c. Serves to facilitate redox reactions d. s an electron carrier in the TCA cycle