An experiment is conducted in which the mitochondrial content of various tissues is studied. It is found that the mitochondrial content is directly proportional to the amount of energy one cell is required to generate and expend. The mitochondrial content is most likely greatest in which of the following types of cells? (A) Cardiac muscle cells (B) Chondrocytes (C) Endothelial cells (D) Epidermal cells (E) Hepatocytes (F) Osteocytes (G) White adipocytes
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- You are growing human muscles cells in the lab and you are trying to test how wellthe cells survive with decreasing concentrations of oxygen. As part of yourexperiment, you are measuring the rate of glucose use, the rate of mitochondrial ATPproduction and the pH of the solution surrounding the cells. As the concentration ofoxygen becomes lower änd lower, what changes might you expect to observe inthese cells?A. The rate of glucose use would increase, the rate of mitochondrial ATP productionwould decrease, and the pH of the solution would decrease (become more acidic).B. The rate of glucose use would decrease, the rate of mitochondrial ATP productionwould decrease, and the pH of the solution would increase (become more basic).C. The rate of glucose use would increase, the rate of mitochondrial ATP productionwould increase, and the pH of the solution would decrease (become more acidic)D. The rate if glucose use would decrease, the rate of mitochondrial ATP productionwould decrease, and…You are growing human muscles cells in the lab and you are trying to test how well the cells survive with decreasing concentrations of oxygen. As part of your experiment, you are measuring the rate of glucose use, the rate of mitochondrial ATP production and the pH of the solution surrounding the cells. As the concentration of oxygen becomes lower and lower, what changes might you expect to observe in these cells? A. The rate of glucose use would increase, the rate of mitochondrial ATP production would decrease, and the pH of the solution would decrease (become more acidic). B. The rate of glucose use would decrease, the rate of mitochondrial ATP production would decrease, and the pH of the solution would increase (become more basic). C. The rate of glucose use would increase, the rate of mitochondrial ATP production would increase, and the pH of the solution would decrease (become more acidic) D. The rate if glucose use would decrease, the rate of mitochondrial ATP production would…Predict the outcome of a mitochondrial membrane that is more permeable to hydrogen ions than normal. answer choices A.) Increased levels of inorganic phosphate in the mitochondrial matrix B.) Reduced formation of water C.) Reduced activity of electron transport chain D.) Increased activity of ATP synthase
- You have been transported into the future, where a nanosensor can be inserted into a living cell and subsequently travel into any organelle. The sensor relays information stating that it has lodged itself in a compartment of the mitochondrion, where there is a concentration gradient of hydrogen ions (H+) and levels of ATP production are high. From what you know about cellular respiration in mitochondria, where is the sensor lodged? (a) inner mitochondrial membrane (b) mitochondrial matrix (c) chloroplast stroma (d) cell cytoplasm (e) plasma membraneDiscuss he life on earth (8) (33) Answer the following questions on aerobic respiration. 3.1 Define aerobic respiration. (3) 3.2 List all the raw materials needed/ required for cellular respiration. (6) Draw a labelled structure of an organelle responsible for cellular respiration. Discuss FOUR structural adaptations of mitochondrion to facilitate the process of cellular respiration. 3.3 3.4 (8) 50 (2)The mitochondrial membrane potential is an indicator of cell viability. Think about mitochondrial function and decide which of these statements best describes the mitochondrial membrane potential. a.) A voltage that reflects the movement of ATP across the outer mitochondrial membrane b.) A voltage that reflects the movement of protons across the outer mitochondrial membrane c.) A voltage that reflects the movement of protons across the inner mitochondrial membrane d.) A voltage that reflects the movement of ATP across the inner mitochondrial membrane
- Mitochondrial outer membrane permeabilization (MOMP) includes: Question 10 options: a) mitochondrial outer membranes are disrupted. b) caspases activation in either intrinsic or extrinsic pathway. c) cytochrome c release. d) All of the above. e) Only (a) and (c)Examine Figure 11-13. Where are the electron carriers of the mitochondrial electron transport chain located— in the matrix, the membrane, or in the crista lumen? As they carry electrons, some of them also deposit protons (H+). Are the protons deposited in the matrix or in the crista lumen?Plant cells can perform both photosynthesis and cellular respiration. These two processes depend upon each other. Describe in detail the relationship between carbon dioxide and glucose in plant cells. Include a description of the processes in which each is used and give the name of the organelle where each of these processes occurs.
- Which of the following statements about cellular respiration is TRUE in eukaryotes? A. For every molecule of NADH oxidized in the electron transport chain, 1 molecule of ATP is produced. B. ATP synthase harnesses the flow of protons (hydrogen ions = H+) from the mitochondrial matrix to the intermembrane space to produce ATP. C. ATP synthase transduces the flow of protons (hydrogen ions = H+) from the intermembrane space to the mitochondrial matrix into kinetic (mechanical) energy D. H2O is the final electron acceptor in the electron transport chain, being oxidized to O2 and H+. E. All of the above are trueHow is the function of the thylakoid membrane similar to that of the inner mitochondrial membrane?Which of the following statements is a lie? Select one: a.The formation of water aids in establishing the ion gradient between the inner matrix and intermembrane space. b.Every protein complex in the electron transport chain is involved in the direct pumping of H+ in the intermembrane space. c.There is an existing electrochemical gradient between the intermembrane space and the inner mitochondrial matrix.