Which of the following statements about oxidative phosphorylation is true? a. Oxidative phosphorylation involves the activities...
Which of the following statements about oxidative phosphorylation is true?
| a. |
Oxidative phosphorylation involves the activities of the electron transport chain and the ATP synthesizing machinery. |
|
| b. |
The oxidation of NADH is the only way to form ATP. |
|
| c. |
ATP is synthesized using the energy that is released when electrons and hydrogen are excreted outside of the cell. |
|
| d. |
ATP synthesis occurs during oxidative phosphorylation directly by the reduction of electron carrier proteins in the cytoplasmic membrane. |
Homework Answers
A is absolutely correct answer because in oxidative phosphorylation , electron transport chain is involved and ATP synthesis occur from gradient of hydrogen ion .
Oxidation of NADH and FADH occur in electron transport chain .
Electron transport system is found in Mitochondrial membrane.
Add Answer to:
Which of the following statements about oxidative
phosphorylation is true?
a.
Oxidative phosphorylation involves the activities...
Fill in the blanks regarding the electron transport chain and oxidative phosphorylation. Complex1 accepts electrons from...
Fill in the blanks regarding the electron transport
chain and oxidative phosphorylation.
Complex1 accepts electrons from NADH and uses coenzyme Q
to transport them to complex 3.
Complex 2 accepts electrons from FADH2 and uses coenzyme
q to transport them from complex 3 to complex 4.
The ATP synthase will transport 3H+ ions for every 2 ATP
produces.
This entire process occurs across the inner
mitochondrial membrane.
Fill in the blanks regarding the electron transport chain and oxidative phosphorylation
Which of the following is the best definition of oxidative phosphorylation? OA. Electrons are passed through...
Which of the following is the best definition of oxidative phosphorylation? OA. Electrons are passed through a series of carriers to NAD+. B. A proton gradient created on one side of a membrane containing an electron transport chain, causes hydrogen ions to flow back through the membrane, through ATP synthase, releasing energy that is used to generate ATP. OC. ATP is directly transferred from a substrate to ADP. D. Electrons are passed through a series of carriers to an organic...
Which two processes make up oxidative phosphorylation? A. Chemiosmosis and ATP synthesis B. Electron transport chain...
Which two processes make up oxidative phosphorylation? A. Chemiosmosis and ATP synthesis B. Electron transport chain and chemiosmosis C. Pyruvate oxidation and electron transport chain D. Proton motive force and chemiosmosis What is the final electron acceptor in the electron transport chain? A. FADH2 B. Water C. Oxygen D. NADH
QUESTION 2 What is the main mechanism of action for oxidative phosphorylation? A Uses the free...
QUESTION 2 What is the main mechanism of action for oxidative phosphorylation? A Uses the free energy of the proton gradient generated as a result of transferring electrons from NADH OF FADH2 to O2 by a series of electron carriers for ATP production B. Uses the net yield of ATP produced by Glycolysis and the Citric Acid Cycle to produce more ATP. Uses the free energy released during redox reactions in Complexes I-IV (the electron transport chain) and is uncoupled...
Classify each statement as being involved in substrate-level phosphorylation, oxidative phosphorylation, or both. Substrate-level phosphorylation Oxidative...
Classify each statement as being involved in substrate-level phosphorylation, oxidative phosphorylation, or both. Substrate-level phosphorylation Oxidative phosphorylation Both Answer Bank Bank oxidation-reduction reactions occuring involves electron transport chains relatively large amounts of ATP produced per glucose molecule oxidized relatively small amounts of ATP produced per glucose molecule oxidized occurs in the cytosol occurs in the mitochondria high-energy phosphate groups transferred to ADP
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
Photosynthetic phosphorylation in vascular plants and oxidative phosphorylation in vertebrates appear to be generally similar processes,...
Photosynthetic phosphorylation in vascular plants and oxidative phosphorylation in vertebrates appear to be generally similar processes, both consisting of ATP synthesis coupled to the transfer of electrons along an electron carrier chain. Which of the following is not true of both processes? Question 2 options: Both function by generating a pH gradient across a lipid bilayer Both processes are associated with organelles Both use oxygen as a terminal electron acceptor Each represents a major route of ATP synthesis in those...
Oxidative phosphorylation refers to the addition of a phosphate group to ADP by the energy released...
Oxidative phosphorylation refers to the addition of a phosphate group to ADP by the energy released a. as hydrogen ions collected from oxidation-reduction reactions flow out of the intermembrane space b. directly from the reactions in this pathway QUESTION 66 As the electrons are passed through the electron transport system their energy is used to pump hydrogen ions into the a thylakoid space b. cytoplasm c. intermembrane space d. matrix
Suppose a cell is subjected to Aspirin, T4 or some other chemical uncoupler of oxidative phosphorylation,...
Suppose a cell is subjected to Aspirin, T4 or some other chemical uncoupler of oxidative phosphorylation, one would expect an increase in the rate of all of the following EXCEPT (2 pts) (A) ATP synthesis (B) Proton pumping by the electron transport chain (C) Heat generation by the mitochondria (D) Oxygen utilization by the cell (E) NADH oxidation by NADH dehydrogenase
Which of the following statements regarding electron transport is TRUE? a) Electrons passing along the electron...
Which of the following statements regarding electron transport is TRUE? a) Electrons passing along the electron transport chain move to successively lower energy states. b) Electron transport occurs only in eucaryotes. c) Only high-energy electrons from NADH can be used to drive the electron transport chain. d) Molecular oxygen is required as a donor of electrons to the electron transport chain. e) The proteins involved in electron transport couple oxidation to phosphorylation in much the same way that glyceraldehyde 3-phosphate...
Fill in the blanks regarding the electron transport
chain and oxidative phosphorylation.
Complex1 accepts electrons from NADH and uses coenzyme Q
to transport them to complex 3.
Complex 2 accepts electrons from FADH2 and uses coenzyme
q to transport them from complex 3 to complex 4.
The ATP synthase will transport 3H+ ions for every 2 ATP
produces.
This entire process occurs across the inner
mitochondrial membrane.
Fill in the blanks regarding the electron transport chain and oxidative phosphorylation
Which of the following is the best definition of oxidative phosphorylation? OA. Electrons are passed through a series of carriers to NAD+. B. A proton gradient created on one side of a membrane containing an electron transport chain, causes hydrogen ions to flow back through the membrane, through ATP synthase, releasing energy that is used to generate ATP. OC. ATP is directly transferred from a substrate to ADP. D. Electrons are passed through a series of carriers to an organic...
QUESTION 2 What is the main mechanism of action for oxidative phosphorylation? A Uses the free energy of the proton gradient generated as a result of transferring electrons from NADH OF FADH2 to O2 by a series of electron carriers for ATP production B. Uses the net yield of ATP produced by Glycolysis and the Citric Acid Cycle to produce more ATP. Uses the free energy released during redox reactions in Complexes I-IV (the electron transport chain) and is uncoupled...
Classify each statement as being involved in substrate-level phosphorylation, oxidative phosphorylation, or both. Substrate-level phosphorylation Oxidative phosphorylation Both Answer Bank Bank oxidation-reduction reactions occuring involves electron transport chains relatively large amounts of ATP produced per glucose molecule oxidized relatively small amounts of ATP produced per glucose molecule oxidized occurs in the cytosol occurs in the mitochondria high-energy phosphate groups transferred to ADP
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
Oxidative phosphorylation refers to the addition of a phosphate group to ADP by the energy released a. as hydrogen ions collected from oxidation-reduction reactions flow out of the intermembrane space b. directly from the reactions in this pathway QUESTION 66 As the electrons are passed through the electron transport system their energy is used to pump hydrogen ions into the a thylakoid space b. cytoplasm c. intermembrane space d. matrix
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