What does the chemiosmotic process in chloroplasts involve Which of the following is (are) required in the Calvin cycle? oxidative phosphorylation in cellular respiration. Answer: 3 question 23. If photosynthesizing green algae are provided with CO2 containing heavy oxygen (18O), later analysis will show that all of the following molecules produced by the algae contain 18O except. How is photosynthesis similar in C4 plants and CAM plants? A) establishment of a proton gradient across the thylakoid membrane B) diffusion of electrons through the thylakoid membrane C) reduction of water to produce ATP energy D) movement of water by osmosis into the thylakoid space from the stroma The actual production of ATP in cellular respiration takes place through the process of chemiosmosis (see Chapter 4). As the electrons move down the ETC, protons are pumped against the concentration gradient. After the further agitation of the membrane vesicles, what must be lost from the membrane? Photorespiration lowers the efficiency of photosynthesis by. 1 Questions & Answers Place. 10. answer choices . Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH 8 solution. This damage will have the most direct effect on which of the following processes? Why? The alternative pathways of photosynthesis using the C4 or CAM systems are said to be compromises. Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of algae to different wavelengths of light. establishment of a proton gradient across the thylakoid membrane: 17: 623423174: Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH 8 solution. A plant has a unique photosynthetic pigment. They can do this because they. a. ? It represents cell processes involved in C4 photosynthesis. C3 plants will have faster growth; C4 plants will be minimally affected. What would be likely to happen? B) are directly coupled t... What is the oxidizing agent in the following reaction? What is the purpose of part A of Figure 1-42 (Note: The overturned bucket is solid, not see- through.) Which of the following sequences correctly represents the flow of electrons during photosynthesis? - the answers to estudyassistant.com They protect against oxidative damage from excessive light energy. Photosynthesis with only photosystem I is more ancestral. Lactate + NAD? Why are C4 plants able to photosynthesize with no apparent photorespiration? In a plant cell, where are the ATP synthase complexes located? What does the chemiosmotic process in chloroplasts involve? P680+ is said to be the strongest biological oxidizing agent. Most CO2 from catabolism is released during. However, the fragments will reseal "insid... What does the chemiosmotic process in chloroplasts involve? CAM plants keep stomata closed in daytime, thus reducing loss of water. Latest activity: 10 years, 3 month(s) ago. Hydrogen ions, or protons, will diffuse from an area of high proton concentration to an area of lower proton concentration, and an electrochemical concentration gradient of protons across a membrane can be harnessed to make ATP. The pumping establishes a proton (H +) gradient. On the other hand, mitochondria also known as the power house of the cell, uses this oxygen in order to create ATP which is used for various purposes like active transport, releasing minerals and many more in … Why are they different? 1st grade. In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from. The pH within the thylakoid is less than that of the stroma. ) What related function do they have in plants? In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis tra... What does the chemiosmotic process in chloroplasts involve? Carotenoids are often found in foods that are considered to have antioxidant properties in human nutrition. ATP is generated by the movement of hydrogen ions across a membrane during cellular respiration or photosynthesis. In C3 photosynthesis, the reactions that require ATP take place in, The NADPH required for the Calvin cycle comes from. He added aerobic bacteria and then noted in which areas the bacteria congregated. The best way to detect the lack of photosystem II in these organisms would be. reduction of water to produce ATP. fix CO2 into organic acids during the night. He noted that the largest groups were found in the areas illuminated by the red and blue light. to test for liberation of O2 in the light. What does the chemiosmotic process in chloroplasts involve? Which of the following statements best represents the relationships between the light reactions and the Calvin cycle? What is the relationship between wavelength of light and the quantity of energy per photon? 24) What does the chemiosmotic process in chloroplasts involve? Find answers now! formation of glucose, using CO2, NADPH, and ATP. Lactate + NAD? What does the chemiosmotic process in chloroplasts involve? In a plant cell, where are the ATP synthase complexes located? Chemiosmosis involves the pumping of protons through special channels in the membranes of mitochondria from the inner to the outer compartment. The following organism utilizes both cellular respiration and photosynthesis: What is the name for the special region on a duplicated chromosome that holds the chromatids together? What does the chemiosmotic process in chloroplasts involve? The pH of the inner thylakoid space has been measured, as have the pH of the stroma and of the cytosol of a particular plant cell. In autotrophic bacteria, where is chlorophyll located? Photosynthesis stores energy in complex organic molecules, whereas respiration releases it. Which of the following are directly associated with photosystem I? establishment of a proton gradient across the thylakoid membrane. The CO2 acceptor concentration would increase when the CO2 is cut off, but decrease when the light is cut off. Which process is most directly driven by light energy. What does the chemiosmotic process in chloroplasts involve? What would be likely to happen? Chapter 10 - Photosynthesis Test DRAFT. diffusion of electrons through the thylakoid membrane. In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from A) the stroma to the photosystem II. Bacteria congregated in these areas because these areas had the most oxygen being released. What do they do? What wavelength of light in Figure 8.1 is most effective in driving photosynthesis? The phylogenetic distribution of the enzyme rubisco is limited to, Photorespiration occurs when rubisco reacts RuBP with. This question has been viewed 1787 times and has 0 answers. A) establishment of a proton gradient across the thylakoid membrane B) diffusion of electrons through the thylakoid membrane C) reduction of water to produce ATP energy D) movement of water by osmosis into the thylakoid space from the stroma Where did the extra ATP molecules come from? Chemiosmosis involves the electron transport chains located in the mitochondria and chloroplasts. In prokaryotes, it occurs … transfer light energy to the reaction-center chlorophyll. In mitochondria, exergonic redox reactions. If the answers is incorrect or not given, you can answer the above question in the comment box. Better Boots Inc. wishes to market their products ... McDonald's has outlets in Japan. Which of the following is NOT an example of a visu... "Two hundred of the finest hospitals in the countr... "Can you imagine how excited your family will be w... "Just imagine how much your daughter will apprecia... Alfredo sells refrigeration units to businesses. The dissolved oxygen in the flask with algae will be higher in the light, but lower in the dark. A) oxygen B) NADH C) NAD? Figure 8.1 shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is the. In a plant cell, where are the ATP synthase complexes located? It is a type of diffusion, where ions move across a membrane from a region of higher concentration to the region of lower concentration. all known photoautotrophs, both bacterial and eukaryotic. If the membranes are agitated further, however, the ability to synthesize ATP is lost. In thylakoids, protons travel through ATP synthase from the thylakoid space to the stroma. In both cases, rubisco is not used to fix carbon initially. a) formation of glucose, using carbon b) establishment of a proton gradient across the thylakoid membrane c) diffusion d) movement of water by osmosis into the thylakoid space from e) reduction of water to produce ATP energy. In the thylakoid membranes, what is the main role of the pigment molecules in a light-harvesting complex? The leaves of this plant appear to be reddish yellow. What does the chemiosmotic process in chloroplasts involve? Which of the following statements is a correct distinction between autotrophs and heterotrophs? What compound provides the reducing power for the Calvin cycle reactions? answer. 0 times. receiving electrons from the thylakoid membrane electron transport chain. Predict what the relative dissolved oxygen concentrations will be in the flask with algae compared to the control flask. The chemiosmotic process in mitochondria occurs during cellular respiration. Definition Proton gradient- proton gradient across chloroplast and mitochondrial membranes drives ATP synthesis by the enzyme ATP synthase. Use Figure 8.2 and the compounds labeled A, B, C, D, and E to answer the following questions. What does the chemiosmotic process in chloroplasts involve? It obtains electrons from the oxygen atom in a water molecule, so it must have a stronger attraction for electrons than oxygen has. reducing the amount of 3-phosphoglycerate formed. A flask containing photosynthetic green algae and a control flask containing water with no algae are both placed under a bank of lights, which are set to cycle between 12 hours of light and 12 hours of dark. The electron vacancies in P680+ are filled by electrons derived from water. A) establishment of a proton gradient B) diffusion of electrons through the thylakoid membrane C) reduction of water to produce ATP energy D) movement of water by osmosis into the thylakoid space from the stroma View this answer. Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. Assume a thylakoid is somehow punctured so that th... As a research scientist, you measure the amount of... What are the products of linear photophosphorylation? Question Stats. Which, if any, relationship would you expect to find? These protons move from high to low concentration, and in the process, power a protein that phosphorylates ADP into ATP. question. Preview this quiz on Quizizz. A. establishment of a proton gradient B. diffusion of electrons through the thylakoid membrane C. reduction of water to produce ATP energy D. movement of water by osmosis into the thylakoid space from the stroma E. formation of glucose, using carbon dioxide, NADPH, and ATP What are the products of linear electron flow? What does the chemiosmotic process in chloroplasts involve? 22) The chemiosmotic process in chloroplasts involves the A) establishment of a proton gradient across the thylakoid membrane B) diffusion of electrons through the thylakoid membrane C) reduction of water to produce ATP D) movement of water by osmosis into the thylakoid space from the stroma E) formation of glucose, using carbon dioxide, NADPH, and ATP 23) In mitochondria, chemiosmosis moves protons … synthesize simple sugars from carbon dioxide. (exam only) 16) In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons fro… Save. After phosphorylation and reduction produces glyceraldehyde 3-phosphate (G3P), what more needs to happen to complete the Calvin cycle? 0. Biology. Light is absorbed and funneled to reaction-center chlorophyll a. __b__ 8. C) both photosynthesis and respi... Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. What does the chemiosmotic process in chloroplasts involve? Which of the following does not occur during the Calvin cycle? 14) What does the chemiosmotic process in chloroplasts involve? Some photosynthetic bacteria (e.g., purple sulfur ... P680? H... Dramatics should be used in a sales presentation b... "You ought to buy that scarf. establishment of a proton gradient. can continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations. The light reactions provide ATP and NADPH to the Calvin cycle, and the cycle returns ADP, ℗i, and NADP+ to the light reactions. A) establishment of a proton gradient B) diffusion of electrons through the thylakoid membrane C) reduction of water to produce ATP energy D) movement of water by osmosis into the thylakoid space from the stroma E) formation of glucose, using carbon dioxide, NADPH, and ATP What does the chemiosmotic process in chloroplasts involve? 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