. What is the difference between electron transport chain and oxidative phosphorylation?
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Q: What are the main components of electron transport chain and oxidative phosphorylation?
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1. What is the difference between electron transport chain and oxidative phosphorylation?
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- 1. What general factors contribute to the high phosphoryl-transfer potential of ATP?9 .The energy of electron transport (by the ETC) serves to move protons (hydrogen ions, or H+) to the intermembrane space of the mitochondrion. How does this help the mitochondrion produce ATP? a) This movement of protons sets up the electrochemical gradient that drives ATP synthesis in the mitochondrion. b) The protons pick up electrons from the electron transport chain on their way through the inner mitochondrial membrane c) The protons receive electrons from the NAD+ and FAD that were accepted in glycolysis ad the citric acid cycle d) The protons are transferred to oxygen in an energy-releasing reaction6. The lens of the eye is the light refracting medium of the eye, and it has no mitochondria. Glucose is used as an energy source in the lens. Which metabolic pathway of glucose supplics energy to the crystalline eye lens? To answer the question: a) write a diagram of the metabolic pathway that provides the eye's lens with ATP, specify enzymes and coenzymes; b) mark the reactions associated with the ATP consumption and synthesis, calculate the ATP yield during the process; c) specify the mechanisms of ATP synthesis in the process; d) name the tissues and cells in which the ATP synthesis is the same as in the lens; e) write the dehydrogenation reaction and the reaction of final product formation occurring in the process; 6.3. Gluconeogenesis. Regulation of Glycolysis and Gluconeogenesis 271 ) indicate the fate of the end product of the process and the consequences of its accumulation.
- 3. a) List the three steps of aerobic respiration in which a cell takes a molecule of glucose and produces energy, carbon dioxide and water? b) Photosynthesis is broken down into light reaction and dark reactions: What are the products and reactants of the light reactions? What are the products and reactants of the dark reactions?1. What are the main features on citric acid cycle? 2. What are the main components of electron transport chain and oxidative phosphorylation? 3. Why do compound such as cyanide act as poisons when they disrupt the electron transport chain?Which of the following statements are true?For each, explain why or why not.(a) All coenzymes are electron-transfer agents.(b) Coenzymes do not contain phosphorus or sulfur.(c) Generating ATP is a way of storing energy.
- 1. Why do compound such as cyanide act as poisons when they disrupt the electron transport chain?2. Which of the following statements describes a central role that ATP plays in cellular metabolism? a) hydrolysis of ATP is an exergonic reaction that can be coupled to endergonic reactions in the cell. b) hydrolysis of AYP provides an input of free energy for exergonic reactions. c) ATP hydrolysis requires an input of energy from other cellular reactions. d) its terminal phosphate bond is stronger than most covalent bonds in other molecules.17. What is the Net total of ATP made during Electron Transport?18. What is the Net total of ATP made during the entire process of Cellular Respiration?19. What are the supermolecules NADH and FADH2 needed for?20. Which of the 3 processes will NADH and FADH2 be utilized?
- 6. The lens of the eye si the light refracting medium of the eye, and ti has no mitochondria. Glucose is used sa an energy source ni the lens. Which metabolic pathway of glucose supplies energy to the crystalline eye lens? To answer the question: a) write a diagram of the metabolic pathway that provides the eye's lens with ATP, specify enzymes and coenzymes; b) mark the reactions associated with the ATP consumption and synthesis, calculate the ATP yield during the process; )c specify the mechanisms ofATP synthesis ni the process; d)name the tissues and cells in which the ATP synthesis is the same as in hte lens; e) writethe dehydrogenation reaction and the reactionoffinal product formation occurring in the process;13) When electrons flow through the electron transport system from NADH to oxygen, what is the sequence of molecules through which they move?4. How many moles of ATP would be formed from 10.5 moles of NADH and 6.75 moles of FADH₂ during electron transport and oxidative phosphorylation.