Homework Answers
The correct option is A. As hydrogen ions collected from oxidation reduction reaction flow out of the intermembrane space.
As protons are Accumulated in the Intermembrane space the concentration of protons is increased. This creates a potential difference between the mitochondrial matrix and Intermembrane space as a result the protons flow back into the matrix along with the gradient through an enzyme called ATP synthase which use the energy of flow to produce ATP.
66- The correct options is C.
in the process of ETS the energy of the electrons are used to pump the protons from the mitochondrial matrix into the intermembrane space. And oxygen is the final acceptor of electron and reduced into water.
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Oxidative phosphorylation refers to the addition of a phosphate group to ADP by the energy released...
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.
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
Oxidative phosphorylation refers to O the electron transport chain coupled to glycolysis O the citric acid...
Oxidative phosphorylation refers to O the electron transport chain coupled to glycolysis O the citric acid cycle coupled to ATP synthesis O beta-oxidation coupled to ATP synthesis O the electron transport chain coupled to ATP synthesis QUESTION 8 Which ATP synthase subunit binds protons from the intermembrane space? OCO O Beta Alpha O Gamma QUESTION 9 Which ATP synthase subunit catalyzes the phosphorylation of ADP? O Alpha Beta O Gamma O C10
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 of the following statements is(are) TRUE about oxidative phosphorylation? 1. Electron transport provides energy to...
Which of the following statements is(are) TRUE about oxidative phosphorylation? 1. Electron transport provides energy to pump protons into the intermembrane space. II. An electrochemical gradient is formed across the inner mitochondrial membrane. III. Potassium and sodium ions form an ionic gradient across the inner mitochondrial membrane. IV. Complexes I, II, III, IV actively transport protons into the intermembrane space during electron transport 1, II, III, IV III, IV II, III, IV 1,1V II, IV
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring...
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring compound that binds to protein complex IV of the mitochondrial electron transport chain and prevents transfer of electrons from the protein. Metformin: At the cellular level, chemically synthesized metformin, a drug commonly prescribed for Type 2 diabetes, inhibits mitochondrial respiration by blocking complex I. Dinitrophenol: Dinitrophenol is a metabolic poison that can be sold legally as a pesticide. Although it is lethal to humans,...
During glycolysis, a phosphate is transferred from 1,3-bisphosphoglycerate to ADP. This illustrates what type of process?...
During glycolysis, a phosphate is transferred from 1,3-bisphosphoglycerate to ADP. This illustrates what type of process? substrate-level phosphorylation oxidative phosphorylation chemiosmosis an electron transport chain an oxidation-reduction reaction
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring...
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring compound that binds to protein complex IV of the mitochondrial electron transport chain and prevents transfer of electrons from the protein. Metformin: At the cellular level, chemically synthesized metformin, a drug commonly prescribed for Type 2 diabetes, inhibits mitochondrial respiration by blocking complex I. Dinitrophenol: Dinitrophenol is a metabolic poison that can be sold legally as a pesticide. Although it is lethal to humans,...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and the other gains electrons A substance that loses electrons is reduced, while a substance e that gains electrons are oxidized B and c are both correct Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present of not? Electron transport Glycolysis The citric acid cycle Oxidative phosphorylation Chemiosmosis How many carbon atoms are fed into the cirtic acid cycle as a...
#13 Phosphorylation of PDH makes the complex ______________. a) Active b)Inactive #14 Ca++ has ____________ effect...
#13 Phosphorylation of PDH makes the complex ______________. a) Active b)Inactive #14 Ca++ has ____________ effect on activity of TCA cycle enzymes. a) Positive b) Negative #15 Electron transport chain occurs in a) Matrix of mitochondria b) Outer membrane of mitochondria c) Inner membrane of mitochondria d) cytoplasm #16 According to Chemiosmotic theory _________________ drives ATP production in electron transport chain. a) Gradient of Hydrogen ions b) Gradient to ATP c) Gradient of Oxaloacetate d) Oxygen #17 Proteins of electron...
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
Oxidative phosphorylation refers to O the electron transport chain coupled to glycolysis O the citric acid cycle coupled to ATP synthesis O beta-oxidation coupled to ATP synthesis O the electron transport chain coupled to ATP synthesis QUESTION 8 Which ATP synthase subunit binds protons from the intermembrane space? OCO O Beta Alpha O Gamma QUESTION 9 Which ATP synthase subunit catalyzes the phosphorylation of ADP? O Alpha Beta O Gamma O C10
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 of the following statements is(are) TRUE about oxidative phosphorylation? 1. Electron transport provides energy to pump protons into the intermembrane space. II. An electrochemical gradient is formed across the inner mitochondrial membrane. III. Potassium and sodium ions form an ionic gradient across the inner mitochondrial membrane. IV. Complexes I, II, III, IV actively transport protons into the intermembrane space during electron transport 1, II, III, IV III, IV II, III, IV 1,1V II, IV
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring compound that binds to protein complex IV of the mitochondrial electron transport chain and prevents transfer of electrons from the protein. Metformin: At the cellular level, chemically synthesized metformin, a drug commonly prescribed for Type 2 diabetes, inhibits mitochondrial respiration by blocking complex I. Dinitrophenol: Dinitrophenol is a metabolic poison that can be sold legally as a pesticide. Although it is lethal to humans,...
During glycolysis, a phosphate is transferred from 1,3-bisphosphoglycerate to ADP. This illustrates what type of process? substrate-level phosphorylation oxidative phosphorylation chemiosmosis an electron transport chain an oxidation-reduction reaction
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring compound that binds to protein complex IV of the mitochondrial electron transport chain and prevents transfer of electrons from the protein. Metformin: At the cellular level, chemically synthesized metformin, a drug commonly prescribed for Type 2 diabetes, inhibits mitochondrial respiration by blocking complex I. Dinitrophenol: Dinitrophenol is a metabolic poison that can be sold legally as a pesticide. Although it is lethal to humans,...
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