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 dehydrogenase couples oxidation to phosphorylation in glycolysis.
Homework Answers
c. only high energy electrons from NADH can be used to drive the electron transport chain.
e. The proteins involed in electron transport couple oxidation to phosphorylation in much the same way that glyceraldehyde 3-phosphate dehydrogenase couples oxidation to phosphorylation in glycolysis.
a. electrons passing along the electron transport chain move to successively lower energy states.
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Which of the following statements regarding electron transport
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27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
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.
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
D Question 19 2 pts Which of the following statements best describes the primary role played...
D Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of...
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...
C. Considering Electron Transport: In LA3 Video 3, we are considering electron transport and oxidative phosphorylation....
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Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
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...
is required to accept electron 17. At the very end of the electron transport chain in...
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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...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
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
D Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of...
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...
C. Considering Electron Transport: In LA3 Video 3, we are considering electron transport and oxidative phosphorylation. Please answer the following multiple choice questions (0.5 pts each) and follow instructions for two final drawings (2 pts each). 1. The electrons involved in electron transport come from (A) glycolysis (B) the pyruvate dehydrogenase complex (C) the citric acid cycle (D) all three processes 2. When NADH and FADH2 transfer their electrons to the electron transport chain, they are (A) oxidized (B) epimerized...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
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...
is required to accept electron 17. At the very end of the electron transport chain in the mitochondria, final electron acceptor. A. carbon dioxide B. ADP C. ATP Synthase Doxygen E. NAD+ 18. Select the correct flow of energy transfer during cellular respiration. A. NADHH gradient glucose → ATP B glucose → NADH H gradient ATP C. glucose H gradient → NADH ATP D. glucose ATPH gradient → NADH 19. If a muscle cell has low levels of oxygen, which...
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