In mitochondria, exergonic redox reactions, In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from. Water molecules are formed here.C. Light energy excites electrons in the electron transport chain in a photosynthetic unit. C. Only photosystem II functions here. C) The P680 chlorophyll donates a pair of protons to NADP+, which is … However, the fragments will reseal "inside out." C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. Lactate + NAD? Which statement describes the functioning of photosystem II? A) Light energy excites electrons in the thylakoid membrane electron transport chain. Which statement describes the function of photosystem II? A) Light energy excites electrons in the electron transport chain in a photosynthetic unit. Pyruvate + NADH + H? A) Light energy excites electrons in the thylakoid membrane electron transport chain. Which of the following statements is a correct distinction between autotrophs and heterotrophs? Which statement describes the functioning of photosystem II? Which statement describes the functioning of photosystem II? What wavelengths of visible light are being absorbed by this pigment? In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis tra... What is the oxidizing agent in the following reaction? Study 30 Quizes 4 and 5 flashcards from danielle c. on StudyBlue. A) Light energy excites electrons in the thylakoid membrane electron transport chain. A) oxygen B) NADH C) NAD? NADPH consumed by the Calvin Cycle in 1 hour. ) Which statement describes the functioning of photosystem II? Which statement describes the function of photosystem II? ? C) The P680 chlorophyll donates a pair of protons to NADP⁺, which is thus converted to NADPH. 18) Which statement describes the functioning of photosystem II? Light energy transfers electrons to cytochrome C. b. A plant has a unique photosynthetic pigment. A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. Reduction of oxygen to form water occurs during. On the acceptor side of photosystem II, we have shown that the two steps by which electrons reduce the secondary quinone occur with different kinetics. o Receiving electrons from the thylakoid membrane electron transport chain C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. B) Photons are passed along to a reaction-center chlorophyll. Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle? The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. 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. Photosynthesis stores energy in complex organic molecules, whereas respiration releases it. receiving electrons from the thylakoid membrane electron transport chain. 2. The electron vacancies in P680 are filled by electrons derived from water. Select one: a. Which process is mostly driven by light energy. 4. What is the primary function of the Calvin Cycle? ) Which statement describes the functioning of photosystem II? Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin.Ultimately, the electrons that are … 11: 623423168: Which of the following are directly associated with photosystem I? Glucose is formed here.B. Which statement describes the functioning of photosystem II? a)the excitation is passed along to a molecule of P680 chlorophyII in the photosynthetic unit b)light energy excites electrons in an antenna pigment in a photosynthetic unit c)the P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+ d)the splitting of water yields molcular oxygen as a by product e)the electron vacancies in … 11: 623423168: Which of the following are directly associated with photosystem I? The splitting of water yields molecular carbon dioxide as a by product O Photons are passed along to a reaction center chlorophyll. D) The electron vacancies in P680⁺ are filled by electrons derived from … Which of the following are directly associated with photosystem I? Which statement describes the functioning of photosystem II? receiving electrons from the thylakoid membrane electron transport chain: 12: 623423169 After the further agitation of the membrane vesicles, what must be lost from the membrane? Photosystem II splits water molecules and transfers electrons as it's primary function. The electron vacancies in P680 are … Chlorophylls are arranged in groups called photosystems. The hydrogen ions (protons) generated by the oxidation of water help to create a proton gradient that is used by ATP synthase to generate ATP. Light energy excites electrons in the electron transport chain in a photosynthetic unit. the electron vacancies in P680+ are filled by electrons derived from water. Light energy is captured by plants; light energy is used to … Which statement describes the functioning of photosystem II? A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) Photons are passed along to a reaction-center chlorophyll. Where did the extra ATP molecules come from? answer choices . The electron vacancies in P680 are filled by electrons derived from water. In C3 photosynthesis, the reactions that require A... What is the primary function of the Calvin cycle? answer choices Light energy excites electrons in the thylakoid membrane electron transport chain. removal of electrons from chlorophyll molecules. 0/1 pts Incorrect Question 43 Which statement describes the functioning of photosystem II? 4. 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? c. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. Photosystem II splits water molecules and transfers electrons as it's primary function. B) Photons are passed along to a reaction-center chlorophyll. Light is absorbed and funneled to reaction-center chlorophyll a. o The electron vacancies in P680+ are filled by electrons derived from water. Synthesize simple sugars from carbon dioxide. The electron vacancies in P680 are filled by electrons derived from water. Which statement describes the functioning of photosystem II? b. Better Boots Inc. wishes to market their products ... McDonald's has outlets in Japan. Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. Only photosystem II functions here.D. A) establishment of a proton gradient across the thylakoid membrane B)... Generation of proton gradients across membranes occurs during  A) photosynthesis. Which statement describes the functioning of photosystem II? Most CO2 from catabolism is released during  A) glycolysis. It is located in the thylakoid membrane of plants, algae, and cyanobacteria. Which statement describes thylakoids? Light energy transfers electrons to cytochrome C. b. Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. What does the chemiosmotic process in chloroplasts involve? The energized electrons are replaced by oxidizing water to form hy… This damage will have the most direct effect on which of the following processes? If the answers is incorrect or not given, you can answer the above question in the comment box. C) The P680 chlorophyll donates a pair of protons to NADP+, which is … The leaves of this plant appear to be reddish yellow. In photosystem 1 it receives electrons from plastocyanin. Which statement describes the functioning of photosystem II? Within the photosystem, enzymes capture photons of light to energize electrons that are then transferred through a variety of coenzymes and cofactors to reduce plastoquinone to plastoquinol. Which statement best describes the functioning of photosystem II? The electron vacancies in P680+ are filled by electrons derived from water. None of these The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. Photosystem II (or water-plastoquinone oxidoreductase) is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. We showed that the electron transfer rates are differentially sensitive to a variety of inhibitors and herbicides, and are modified in plants which develop a resistance to herbicides. B) Photons are passed along to a reaction-center chlorophyll. the electron vacancies in P680+ are filled by electrons derived from water. Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. The chlorophylls absorb light and use it for the synthesis of ATP and reduced coenzymes NADPH. c. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. Which statement describes thylakoids?A. If the membranes are agitated further, however, the ability to synthesize ATP is lost. The electron vacancies in P680 are filled by electrons derived from water. Marguiles MM (1991) Sequence similarity between Photosystem I and Photosystem II—identification of a Photosystem I reaction center transmembrane helix that is similar to transmembrane helix-IV of the D2-subunit of Photosystem II and the M-subunit of the non-sulfur purple and flexible green bacteria. Photosystem II is the first complex involved in the light-dependent reactions in photosynthesis.It is named photosystem II because it was the first photosystem to be discovered. A) Light energy excites electrons in the electron transport chain in a photosynthetic unit. Two types of photosystems, photosystem I (PSI) and photosystem II (PSII), are found in the thylakoid membrane inside the chloroplast. d. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. B) The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. The function of photosystem II is electron transfer. Photosystem I and photosystem II are the two photosystems which are embedded in the thylakoid membrane. If the answers is incorrect or not given, you can answer the above question in the comment box. We have characterized the kinetics and … The membrane that surrounds them is called thylakoid membranes in which the light reactions take place. 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? There are two photosynthesis systems (photosynthesis  I and Photosynthesis II) are embedded in the thylakoid membrane where different pigments and … Which of the following does not occur during the Calvin Cycle? Chlorophylls are arranged in groups called photosystems. D. Photosystems I and II function here. A) red and yellow B) blue and violet C) green and yellow D) blue, green, and red E) green, blue, and yellow 9- Which statement describes the functioning of photosystem II? Light energy excites electrons in the electron transport chain in a photosynthetic unit. Which statement describes the functioning of photosystem II? C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. Select one: a. Each photosystem consists of multiple antenna proteins that contain a mixture of 300–400 chlorophyll a and b molecules, as well as other pigments like carotenoids. C) both photosynthesis and respi... Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. B) Photons are passed along to a reaction-center chlorophyll. The functioning of photosystem 2 the electron vacancies in P680 are filled by electrons derived from water. 3. Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. Which statement best describes the functioning of photosystem II? Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. A) Light energy excites electrons in the thylakoid membrane electron transport chain. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. The electron vacancies in P680 are filled by electrons derived from water. C) The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. C) The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. In mitochondria, exergonic redox reactions  A) are the source of energy driving prokaryotic ATP synthesis. When oxygen is released as a result of photosynthesis,l is is a direct by-product of. Light energy is converted sugars; sugars are broken down for energy.B. You find 30,000 molecules of ATP consumed, buy only 20,000 molecules of NADPH. The function of photosystem II is electron transfer. Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. The correct answer is photosystem I and II function here. Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH-8 solution. The electron vacancies in P680+ are filled by electrons derived from water. D) lactat... What does the chemiosmotic process in chloroplasts involve? By replenishing lost electrons with electrons from the splitting of water, photosystem II provides the electrons for all of photosynthesis to occur. Photosystem I (PSI, or plastocyanin-ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and cyanobacteria. B. Which statement describes the functioning of photosystem II? receiving electrons from the thylakoid membrane … C) The P680 chlorophyll donates a pair of protons to NADP?, which is thus converted to NADPH. C) The P680 chlorophyll donates a pair of protons to NADP+, which is … B) Photons are passed along to a reaction-center chlorophyll. A) Light energy excites electrons in the thylakoid membrane electron transport chain. These little vesicles that result can still transfer electrons from NADH to oxygen and synthesize ATP. Which of the following are directly associated with photosystem I? These photosystems are the site of the light-dependent photosynthetic reactions. Which statement describes the functioning of photosystem II? c. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. Where do the enzymatic reactions of the Calvin cycle take place? If the answers is incorrect or not given, you can answer the above question in the comment box. Most CO2 from catabolism is released during. Photosynth Res 29: 133–147 Google Scholar A) Light energy excites electrons in the thylakoid membrane electron transport chain. Which of the following are directly associated with photosystem I? ? Pyruvate + NADH + H? Lactate + NAD? establishment of a proton gradient across the thylakoid membrane, What does the chemiosmotic process in Chloroplast involve, thylakoid membrane and inner mitochondrial membrane, In a plant cell, where are the ATP synthase complexes located, In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplast, chemiosmosis translocates proteins from. 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