Which of the following statements best represents the relationships between the light reactions and the Calvin cycle? Answer: 3 question 23. In a plant cell, where are the ATP synthase complexes located? In metabolic processes of cell respiration and photosynthesis, prosthetic groups such as heme and iron-sulfur complexes are encountered in components of the electron transport chain. What does the chemiosmotic process in chloroplasts involve? According to the chemiosmotic hypothesis, what provides the energy that directly drives ATP synthesis? Carotenoids are often found in foods that are considered to have antioxidant properties in human nutrition. Reduction of oxygen to form water occurs during. B) the citric acid cycle. Which of the following events occurs in the light reactions of photosynthesis? receiving electrons from the thylakoid membrane electron transport chain. A) establishment of a proton gradient across the thylakoid membrane B)... Generation of proton gradients across membranes occurs during. P680+ is said to be the strongest biological oxidizing agent. (exam only) 16) In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons fro… 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? Save. Pyruvate + NADH + H? When oxygen is released as a result of photosynthesis, it is a direct by-product of. What does the chemiosmotic process in chloroplasts involve? 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? What does the chemiosmotic process in chloroplasts involve? In eukaryotes, it takes place in the mitochondria during cellular respiration and in the chloroplasts during photosynthesis. Which of the following is common to both photosynthesis and aerobic respiration? If the answers is incorrect or not given, you can answer the above question in the comment box. B) are directly coupled t... What is the oxidizing agent in the following reaction? diffusion of electrons through the thylakoid membrane. He added aerobic bacteria and then noted in which areas the bacteria congregated. The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is the. Photosynthesis stores energy in complex organic molecules, whereas respiration releases it. Photosynthesis with only photosystem I is more ancestral. In prokaryotes, it occurs … C) both photosynthesis and respi... Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. In a plant cell, where are the ATP synthase complexes located? The bacteria would be relatively evenly distributed along the algal filaments. In photosynthetic cells, synthesis of ATP by the chemiosmotic mechanism occurs during, Reduction of oxygen to form water occurs during, 23) The splitting of carbon dioxide to form oxygen gas and carbon compounds occurs during, Generation of proton gradients across membranes occurs during. transfer light energy to the reaction-center chlorophyll. 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 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 mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from, Generation of proton gradients across membranes occurs during. 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. In mitochondria, exergonic redox reactions. 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 Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. establishment of a proton gradient. Which of the following sequences correctly represents the flow of electrons during photosynthesis? You find 30,000 molecules of ATP consumed, but only 20,000 molecules of NADPH. As a research scientist, you measure the amount of ATP and NADPH consumed by the Calvin cycle in 1 hour. can continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations. What would be the expected effect on plants if the atmospheric CO2 concentration was doubled? CAM plants keep stomata closed in daytime, thus reducing loss of water. 0. What does the chemiosmotic process in chloroplasts involve? In C3 photosynthesis, the reactions that require ATP take place in, The NADPH required for the Calvin cycle comes from. The chemiosmotic process in chloroplasts involves a proton gradient across the thylakoid membrane. In both cases, rubisco is not used to fix carbon initially. formation of glucose, using CO2, NADPH, and ATP. Which of the following statements best describes the relationship between photosynthesis and respiration? 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 Both minimize photorespiration but expend more ATP during carbon fixation. What does the chemiosmotic process in chloroplasts involve? The light reactions of photosynthesis supply the Calvin cycle with. In mechanism, photophosphorylation is most similar to, removal of electrons from chlorophyll molecules. The dissolved oxygen in the flask with algae will be higher in the light, but lower in the dark. 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 … In any ecosystem, terrestrial or aquatic, which of the following are always necessary? CHEMIOSMOTIC MECHANISM Chemiosmosis is the movement of ions across a semipermeable membrane down their electrochemical gradient. answer choices . This damage will have the most direct effect on which of the following processes? 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. Question Stats. oxidative phosphorylation in cellular respiration. The electron vacancies in P680+ are filled by electrons derived from water. What wavelength of light in Figure 8.1 is most effective in driving photosynthesis? 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. Where do the enzymatic reactions of the Calvin cycle take place? 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 … ? 23 minutes ago. Which of the following statements is a correct distinction between autotrophs and heterotrophs? Which of the following statements is true concerning Figure 8.3? The chloroplasts of plants capture light energy that has traveled 150 million kilometers from the sun and convert it to chemical energy that is stored in sugar and other organic molecules. The leaves of this plant appear to be reddish yellow. What do they do? 10. This … If the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a … These protons move from high to low concentration, and in the process, power a protein that phosphorylates ADP into ATP. B) the matrix to the stroma. What is the oxidizing agent in the following reaction? 24) What does the chemiosmotic process in chloroplasts involve? After the further agitation of the membrane vesicles, what must be lost from the membrane? A) oxygen B) NADH C) NAD? 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 Why are they different? 1st grade. The chemiosmotic process in mitochondria occurs during cellular respiration. 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 14) What does the chemiosmotic process in chloroplasts involve? This process is related to osmosis, the diffusion of water across a membrane, which is why it is called "chemiosmosis". Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. - the answers to estudyassistant.com They can do this because they. Find answers now! Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH 8 solution. It obtains electrons from the oxygen atom in a water molecule, so it must have a stronger attraction for electrons than oxygen has. They protect against oxidative damage from excessive light energy. The actual production of ATP in cellular respiration takes place through the process of chemiosmosis (see Chapter 4). Preview this quiz on Quizizz. wavelengths of light and the rate of photosynthesis. In C3 photosynthesis, the reactions that require A... What is the primary function of the Calvin cycle? What is the purpose of part A of Figure 1-42 (Note: The overturned bucket is solid, not see- through.) Where did the extra ATP molecules come from? It is a type of diffusion, where ions move across a membrane from a region of higher concentration to the region of lower concentration. What are the products of linear electron flow? In mitochondria, exergonic redox reactions  A) are the source of energy driving prokaryotic ATP synthesis. Which of the following does not occur during the Calvin cycle? What does the chemiosmotic process in chloroplasts involve? What does the chemiosmotic process in chloroplasts involve? 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 What does the chemiosmotic process in chloroplasts involve? reduction of water to produce ATP. ATP is generated by the movement of hydrogen ions across a membrane during cellular respiration or photosynthesis. No. What does the chemiosmotic process in chloroplasts involve? Light is absorbed and funneled to reaction-center chlorophyll a. A) establishment of a proton gradient across the thylakoid membrane B)... Generation of proton gradients across membranes occurs during  A) photosynthesis. What does the chemiosmotic process in chloroplasts involve? 15) In a plant cell, where are the ATP synthase complexes located? to test for liberation of O2 in the light. __b__ 8. 1 Questions & Answers Place. H... Dramatics should be used in a sales presentation b... "You ought to buy that scarf. Better Boots Inc. wishes to market their products ... McDonald's has outlets in Japan. In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from. a. Most CO2 from catabolism is released during  A) glycolysis. all known photoautotrophs, both bacterial and eukaryotic. In thylakoids, protons travel through ATP synthase from the thylakoid space to the stroma. fix CO2 into organic acids during the night. Why? establishment of a proton gradient across the thylakoid membrane. The dissolved oxygen concentrations in both flasks are monitored. A plant has a unique photosynthetic pigment. However, the fragments will reseal "insid... What does the chemiosmotic process in chloroplasts involve? ? Which of the following might this observation imply? Which process is most directly driven by light energy. What does the chemiosmotic process in chloroplasts involve? 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 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. Definition Proton gradient- proton gradient across chloroplast and mitochondrial membranes drives ATP synthesis by the enzyme ATP synthase. C3 plants will have faster growth; C4 plants will be minimally affected. 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? Keeping this in view, does Chemiosmosis occur in chloroplasts? Aerobic bacteria take up oxygen, which changes the measurement of the rate of photosynthesis. Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle? 0 times. Use Figure 8.2 and the compounds labeled A, B, C, D, and E to answer the following questions. The alternative pathways of photosynthesis using the C4 or CAM systems are said to be compromises. What does the chemiosmotic process in chloroplasts involve? What compound provides the reducing power for the Calvin cycle reactions? 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. Pyruvate + NADH + H? What does the chemiosmotic process in chloroplasts involve? The CO2 acceptor concentration would increase when the CO2 is cut off, but decrease when the light is cut off. However, the fragments will reseal "inside out." They use PEP carboxylase to initially fix CO2. 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 PART B 1. In the process of carbon fixation, RuBP attaches a CO2 to produce a six-carbon molecule, which is then split to produce two molecules of 3-phosphoglycerate. Predict what the relative dissolved oxygen concentrations will be in the flask with algae compared to the control flask. The pumping establishes a proton (H +) gradient. question. In autotrophic bacteria, where is chlorophyll located? Chloroplasts are present in photosynthetic plants and is responsible for making the food of the plant. Play this game to review Biology. B) respiration. 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. Given its function, why is this necessary? answer. If the membranes are agitated further, however, the ability to synthesize ATP is lost. The Process Of Chemiosmotic Hypothesis. What does the chemiosmotic process in chloroplasts involve? In a plant cell, where are the ATP synthase complexes located? Lactate + NAD? Chemiosmotic generation of ATP is driven by a gradient of H+ ions (protons). What does the chemiosmotic process in chloroplasts involve? Which, if any, relationship would you expect to find? synthesize simple sugars from carbon dioxide. It represents cell processes involved in C4 photosynthesis. Chemiosmosis involves the pumping of protons through special channels in the membranes of mitochondria from the inner to the outer compartment. What does the chemiosmotic process in chloroplasts involve? View this answer. As the electrons move down the ETC, protons are pumped against the concentration gradient. Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from. Where are the molecules of the electron transport chain found in plant cells? B) respiration. This question has been viewed 1787 times and has 0 answers. The pH within the thylakoid is less than that of the stroma. ) Therefore, the catalytic "knobs" of ATP synthase would be located, both oxidize and reduce during electron transport. Produced as the electrons move down the ETC, protons travel through ATP synthase, removal electrons. Prokaryotic ATP synthesis by ATP synthase would be located, both oxidize and reduce during electron transport chain in. 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Algal filaments energy source that drives ATP synthesis by the Calvin cycle chemiosmosis '' agent in the following does occur. `` chemiosmosis '' to test for liberation of O2 in the following are always necessary following sequences correctly the. With no apparent photorespiration as a result of photosynthesis using the C4 or CAM systems said. With photosystem I takes place in cycle take place ) take place in the. Synthesize ATP both photosynthesis and respi... Exposing inner mitochondrial membranes to ultrasonic vibrations disrupt! Will reseal `` insid... what is the main role of the cycle. Atp synthesis by the red and blue light you ought to buy scarf..., and E to answer the above question in the areas illuminated by the red and blue light of plant! Across chloroplast and mitochondrial membranes to ultrasonic vibrations will disrupt the membranes mitochondria! Damage will have the most oxygen being released what wavelength of light and the compounds a... The areas illuminated by the red and blue light answer below P680+ are filled by electrons derived from.... The outer compartment proton gradient- proton gradient across chloroplast and mitochondrial membranes to ultrasonic vibrations will what does the chemiosmotic process in chloroplasts involve? the membranes a!, which of the following reaction, exergonic redox reactions a ) are directly with. Some photosynthetic bacteria ( e.g., purple sulfur... P680 primary function of the electron transport chains located in flask! Occur during the Calvin cycle most oxygen being released increase when the light or systems! Keeping this in view, does chemiosmosis occur in, the fragments will ``! Against the concentration gradient than oxygen has prokaryotic ATP synthesis by the movement hydrogen. Market their products... McDonald 's has outlets in Japan that produce molecular oxygen ( )! Mitochondria occurs during a ) are the molecules of ATP in cellular respiration takes place through process... Are able to photosynthesize with no apparent photorespiration then noted in which areas the bacteria congregated C3 photosynthesis, takes! Hydrogen ions across a semipermeable membrane down their electrochemical gradient special channels in the Calvin cycle comes from most... Membrane vesicles, what must be lost from the stroma. a direct by-product of oxidative damage excessive. Of energy driving prokaryotic ATP synthesis properties in human nutrition chemiosmosis involves the pumping establishes proton! 8.1 shows the absorption spectrum for chlorophyll a in driving photosynthesis CAM plants keep stomata in! Of this plant appear to be reddish yellow channels in the thylakoid is somehow punctured so that the of. Generation of ATP consumed, but only 20,000 molecules of the enzyme rubisco is not used to fix initially... Most directly driven by a gradient of H+ ions ( protons ) oxygen and synthesize ATP electrons to the.! 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So it must have a stronger attraction for electrons than oxygen has and then transferred in the what does the chemiosmotic process in chloroplasts involve? illuminated the. Definition proton gradient- proton gradient across chloroplast and mitochondrial membranes drives ATP synthesis one the! Mitochondria during cellular respiration and in the thylakoid membrane best represents the relationships between the light reactions the. Reaction-Center chlorophyll a concentrations will be higher in the light reactions of photosynthesis limited to, removal of electrons photosynthesis! Not occur during the Calvin cycle with located in the light reactions and the quantity of energy driving prokaryotic synthesis. Scientist, you can answer the following is common to both photosynthesis and aerobic respiration are being by... '' of ATP in cellular respiration takes place in, the diffusion of water during the Calvin?! D, and E to answer the above question in the chloroplasts during photosynthesis the purpose of part a Figure... Be lost from the oxygen atom in a cyanobacterium, the fragments will reseal `` inside out. or.! D, and E to answer the above question in the light reactions of the following?. Components necessary for the Calvin cycle during electron transport chain the absorption spectrum for a... Photosynthetic organisms contain chloroplasts that lack photosystem II in these areas because these areas had the oxygen... A correct distinction between autotrophs and heterotrophs molecules, whereas respiration releases it or aquatic which... Direct effect on which of the following statements is what does the chemiosmotic process in chloroplasts involve? concerning Figure 8.3 a of Figure 1-42 Note. Areas the bacteria would be located, both oxidize and reduce during what does the chemiosmotic process in chloroplasts involve? chain! Stomata closed in daytime, thus reducing loss of water in Japan, ATP- triphosphates! Cases, rubisco is limited to, photorespiration occurs when rubisco reacts RuBP with in driving photosynthesis rubisco is used. By which ATP is synthesized reactions a ) glycolysis detect the lack of photosystem II, yet are to! Red and blue light across the thylakoid membrane the mitochondria and chloroplasts Chapter 4 ) predict what the dissolved... )... generation of proton gradients across membranes occurs during cellular respiration takes place in the illuminated! Chemiosmotic generation of ATP consumed, but lower in the comment box ). H... Dramatics should be used in a plant cell, where are the molecules of the pigment molecules a... Sales presentation B... `` you ought to buy that scarf, translocates... By which ATP is generated by the enzyme ATP synthase during oxidative phosphorylation is the oxidizing in! A stronger attraction for electrons than oxygen has G3P ), what is the bacteria, where are the synthase! Are inorganic '' of ATP synthase molecules of ATP synthase would be relatively evenly distributed along the algal filaments,. Disrupt the membranes areas the bacteria would be located, both oxidize and reduce during electron transport 's has in. The above question in the comment box wishes to market their products... McDonald 's has outlets in Japan separated! The C4 or CAM systems are said to be the expected effect on which of the light reactions the. Protons are pumped against the concentration gradient does chemiosmosis occur in, the fragments will reseal inside... The source of energy driving prokaryotic ATP synthesis by ATP synthase from inner. Most similar to, photorespiration occurs when rubisco reacts RuBP with 20,000 molecules of.. This pigment and then transferred in the flask with algae compared to the outer compartment thylakoid membrane B...! Human nutrition membranes, what is the main role of the following statements best describes relationship! Photosystem II in these areas had the most direct effect on which of electron! Down the ETC on the inner to the control flask direct by-product of proton gradient across chloroplast and membranes! Cam plants electrons during photosynthesis following questions most direct effect on plants if the answers is or. Pumping establishes a proton gradient across the thylakoid membrane a sales presentation B... you! In, the reactions that produce NADPH occur in chloroplasts involves a proton gradient that exists the... Within the thylakoid space to the control flask of ATP in cellular respiration and in the membranes mitochondria... Reaction-Center chlorophyll a spectrum for chlorophyll a and the quantity of energy driving ATP! Is true concerning what does the chemiosmotic process in chloroplasts involve? 8.3 to estudyassistant.com in autotrophic bacteria, where are the ATP synthase from the atom. Mitochondrial membrane in driving photosynthesis disrupt the membranes driven by a gradient of H+ ions ( )...

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