#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 transport chain carry out ______________.
a) Hydrolysis of Water
b) Series of oxidation-reduction reactions
c) Transfer of phosphate by ATP hydrolysis
d) All of the above
Homework Answers
Add Answer to:
#13 Phosphorylation of PDH makes the complex ______________.
a) Active
b)Inactive
#14 Ca++ has ____________ effect...
swing processes normally occurs whether or not oxygen is present 48. Which of the following processes...
swing processes normally occurs whether or not oxygen is present 48. Which of the following processes normally occurs w a. citric acid cycle b. glycolysis c oxidative phosphorylation d. electron transport chain 49. Which process occurs in Box B? Electrons MÁ NADH lucose Pyruva Cytosol Mitochondrion che CO2 a. photophosphorylation b. glycolysis C. electron transport chain d. the citric acid cycle 50. Where are the proteins of the electron transport chain located? a. outer membrane of the mitochondria b. inner...
21) Which process in eukaryotic cells will normally proceed whether O2 is present or absent? A)...
21) Which process in eukaryotic cells will normally proceed whether O2 is present or absent? A) oxidative phosphorylation B) glycolysis C) Krebs cycle D) electron transport 22) The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation is A) thermodynamically favorable transfer of phosphate from glycolysis and Krebs cycle intermediate molecules of ADP. B) the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers. C) the final transfer of electrons to oxygen. D) the...
Which complex in the electron transport chain does not contribute to the proton gradient across the...
Which complex in the electron transport chain does not contribute to the proton gradient across the mitochondrial membrane? A. Complex I B. Complex IV C. Complex II D. Complex III Which statement regarding the mitochondrial electron transport chain and oxidative phosphorylation is true? A. Ubiquinone and the F zero subunit of ATP synthase are peripheral membrane proteins. B. Complexes I, II, III, and IV all are proton pumps. C. The final electron acceptor is water. D. Complex II is considered...
4. For each of the following sentences, fill in the blanks with the best word or...
4. For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase can be used more than once. (2 point each; 34 points total) ADP lysosome oxidation phosphorylation NAD pyruvate plasma membrane oxidative phosphorylation acetyl CoA cytosol carbon dioxide nucleus NADH sucrose ubiquitination GTP electrons FADH2 reduction B-sheets matrix ATP FAD kinase vacuole H* mitochondria NADH inner membrane...
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...
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.
12. Which enzyme catalyzes the reaction shown? Oo 9% a. succinyl-CoA synthetase b. succinate dehydrogenase c....
12. Which enzyme catalyzes the reaction shown? Oo 9% a. succinyl-CoA synthetase b. succinate dehydrogenase c. pyruvate dehydrogenase d、a-ketoglutarate dehydrogenase 13. Which of the reactions of the citric acid cycle requires FAD as a coenzyme? a. the conversion of isocitrate to a-ketoglutarate b. the conversion of citrate to isocitrate c. the conversion of succinate to fumarate d. the conversion of malate to oxaloacetate 14. Another name for Complex I in the electron transport chain is a. cytochrome c oxidase. b....
2. How is ATP used in most cell processes? a. It binds to a substrate and...
2. How is ATP used in most cell processes? a. It binds to a substrate and provides energy when the phosphate group is released. b. indirectly, by providing electrons to an acceptor c. Hydrolysis of ATP is coupled to an endergonic reaction. d. It increases the efficiency of some key enzymes. e. none of the above 2. How is ATP used in most cell processes? a. It binds to a substrate and provides energy when the phosphate group is released....
1. All the following statements about mitochondria are true except: A. protons are concentrated in the...
1. All the following statements about mitochondria are true except: A. protons are concentrated in the mitochondrial matrix. B. the inner membrane contains proteins for the electron transport chain. C. ATP is produced in the mitochondrial matrix. D. ATP synthase allows the proton gradient to dissipate. E. pyruvate is found in the mitochondria.
Match with the appropriate subcellular location. -7. lower pH associated with electron transport -8. pyruvate to...
Match with the appropriate subcellular location. -7. lower pH associated with electron transport -8. pyruvate to acetyl-CoA a. cytoplasm b. space between c. outer mito membrane d. inner mito membrane e. cell membrane f. mitochondrial matrix 9. TCA cycle enzymes mito membranes -10. ATP formed 11. hexokinase, glucokinase -12. cytochromes in ets 13. aldolase -14. ATP synthase attached to 15. malate dehydrogenase
swing processes normally occurs whether or not oxygen is present 48. Which of the following processes normally occurs w a. citric acid cycle b. glycolysis c oxidative phosphorylation d. electron transport chain 49. Which process occurs in Box B? Electrons MÁ NADH lucose Pyruva Cytosol Mitochondrion che CO2 a. photophosphorylation b. glycolysis C. electron transport chain d. the citric acid cycle 50. Where are the proteins of the electron transport chain located? a. outer membrane of the mitochondria b. inner...
21) Which process in eukaryotic cells will normally proceed whether O2 is present or absent? A) oxidative phosphorylation B) glycolysis C) Krebs cycle D) electron transport 22) The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation is A) thermodynamically favorable transfer of phosphate from glycolysis and Krebs cycle intermediate molecules of ADP. B) the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers. C) the final transfer of electrons to oxygen. D) the...
4. For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase can be used more than once. (2 point each; 34 points total) ADP lysosome oxidation phosphorylation NAD pyruvate plasma membrane oxidative phosphorylation acetyl CoA cytosol carbon dioxide nucleus NADH sucrose ubiquitination GTP electrons FADH2 reduction B-sheets matrix ATP FAD kinase vacuole H* mitochondria NADH inner membrane...
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...
12. Which enzyme catalyzes the reaction shown? Oo 9% a. succinyl-CoA synthetase b. succinate dehydrogenase c. pyruvate dehydrogenase d、a-ketoglutarate dehydrogenase 13. Which of the reactions of the citric acid cycle requires FAD as a coenzyme? a. the conversion of isocitrate to a-ketoglutarate b. the conversion of citrate to isocitrate c. the conversion of succinate to fumarate d. the conversion of malate to oxaloacetate 14. Another name for Complex I in the electron transport chain is a. cytochrome c oxidase. b....
Match with the appropriate subcellular location. -7. lower pH associated with electron transport -8. pyruvate to acetyl-CoA a. cytoplasm b. space between c. outer mito membrane d. inner mito membrane e. cell membrane f. mitochondrial matrix 9. TCA cycle enzymes mito membranes -10. ATP formed 11. hexokinase, glucokinase -12. cytochromes in ets 13. aldolase -14. ATP synthase attached to 15. malate dehydrogenase
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