Photosystem II (or water-plastoquinone oxidoreductase) is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. the electron vacancies in P680+ are filled by electrons derived from water. Photosystem I (PSI, or plastocyanin-ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and cyanobacteria. Which statement describes thylakoids? D) The electron vacancies in P680⁺ are filled by electrons derived from … B) Photons are passed along to a reaction-center chlorophyll. Which statement describes the function of photosystem II? Chlorophyll pigments are located on the thylakoids. 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+. 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? 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. The electron vacancies in P680+ are filled by electrons derived from water. The electron vacancies in P680 are filled by electrons derived from water. In the thylakoid membranes, what is the main role ... Halobacterium has a photosynthetic membrane that i... A plant has a unique photosynthetic pigment. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. Which of the following sequences correctly represents the flow of electrons during photosynthesis? ) Which statement describes the functioning of photosystem II? Which statement describes the function of photosystem II? B) The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. Which statement describes the functioning of photosystem II? Which is the relationship between wavelength of light and the quantity of energy per photon? The function of photosystem II is electron transfer. Which of the following statements best describes the relationship between photosynthesis and respiration? Which of the following are directly associated with photosystem I? 4. B) The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. B) respiration. D) lactat... What does the chemiosmotic process in chloroplasts involve? 11: 623423168: Which of the following are directly associated with photosystem I? Which statement describes the functioning of photosystem II? 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? answer choices . Which of the following are directly associated with photosystem I? Which statement describes the functioning of photosystem II? Lactate + NAD? The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. 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+. A) establishment of a proton gradient across the thylakoid membrane B)... Generation of proton gradients across membranes occurs during  A) photosynthesis. Which statement best describes the functioning of photosystem II? Which statement describes thylakoids?A. Chlorophylls are arranged in groups called photosystems. Which statement describes the functioning of photosystem II? 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. C) The P680 chlorophyll donates a pair of protons to NADP⁺, which is thus converted to NADPH. 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 NADPH, which is thus converted to NADP+. If the answers is incorrect or not given, you can answer the above question in the comment box. Photosystem II splits water molecules and transfers electrons as it's primary function. Which statement describes the functioning of photosystem II? The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is the. Light energy is converted sugars; sugars are broken down for energy.B. Study 30 Quizes 4 and 5 flashcards from danielle c. on StudyBlue. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. d. The electron vacancies in P680 are filled by electrons derived from water. ? Which statement describes the functioning of photosystem II? Photosystem II splits water molecules and transfers electrons as it's primary function. Pyruvate + NADH + H? Better Boots Inc. wishes to market their products ... McDonald's has outlets in Japan. B) Photons are passed along to a reaction-center chlorophyll. B) Photons are passed along to a reaction-center chlorophyll. receiving electrons from the thylakoid membrane electron transport chain. Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. You find 30,000 molecules of ATP consumed, buy only 20,000 molecules of NADPH. These are the questions that Talbert gave 4th period AP Bio for review for the test. B) Photons are passed along to a reaction-center chlorophyll. C) The P680 chlorophyll donates a pair of protons to NADP+, which is … In photosystem 1 it receives electrons from plastocyanin. 3. C) The P680 chlorophyll donates a pair of protons to NADP⁺, which is thus converted to NADPH. C) lactate fermentation. In mitochondria, exergonic redox reactions, 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. The functioning of photosystem 2 the electron vacancies in P680 are filled by electrons derived from water. A) Light energy excites electrons in the thylakoid membrane electron transport chain. removal of electrons from chlorophyll molecules. Light energy transfers electrons to cytochrome C. b. Which statement describes the functioning of photosystem II? D) The electron vacancies in P680⁺ are filled by electrons derived from water. After the further agitation of the membrane vesicles, what must be lost from the membrane? the electron vacancies in P680+ are filled by electrons derived from water. Which statement describes the functioning of photosystem II? B) Photons are passed along to a reaction-center chlorophyll. A) Light energy excites electrons in the thylakoid membrane electron transport chain. C) both photosynthesis and respi... Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. answer choices Light energy excites electrons in the thylakoid membrane electron transport chain. 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. 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. Glucose is formed here.B. 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. A) Light energy excites electrons in the electron transport chain in a photosynthetic unit. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. a. These photosystems are the site of the light-dependent photosynthetic reactions. o Receiving electrons from the thylakoid membrane electron transport chain Photosystem II is a huge complex of proteins (sometimes called a supercomplex) found in the thylakoid membrane of chloroplasts. B) Photons are passed along to a reaction-center chlorophyll. The energized electrons are replaced by oxidizing water to form hy… A) Light energy excites electrons in the thylakoid membrane electron transport chain. 4. 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 … Photosystems I and II function here., Which events take place in the light-dependent reactions of photosynthesis?A. Where did the extra ATP molecules come from? Which statement describes the functioning of photosystem II? When oxygen is released as a result of photosynthesis,l is is a direct by-product of. 11: 623423168: Which of the following are directly associated with photosystem I? In a plant cell, where are the ATP synthase complexes located? A) Light energy excites electrons in the thylakoid membrane electron transport chain. Which statement describes the functioning of photosystem II? Which statement describes the functioning of photosystem II? C. Only photosystem II functions here. Which statement describes the functioning of photosystem II? B) Photons are passed along to a reaction-center chlorophyll. A plant has a unique photosynthetic pigment. 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 … ) Which statement describes the functioning of photosystem II? A) oxygen B) NADH C) NAD? Select one: a. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. Which statement describes the functioning of photosystem II? 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. 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. Which statement describes the functioning of photosystem II? If the answers is incorrect or not given, you can answer the above question in the comment box. A) Light energy excites electrons in the thylakoid membrane electron transport chain. The correct answer is photosystem I and II function here. 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 statement describes the functioning of photosystem II? Which statement describes the functioning of photosystem II? There are two photosynthesis systems (photosynthesis  I and Photosynthesis II) are embedded in the thylakoid membrane where different pigments and … a. In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from the stroma to the thylakoid space. A) Light energy excites electrons in the thylakoid membrane electron transport chain. The function of photosystem II is electron transfer. C) The P680 chlorophyll donates a pair of protons to NADP+, which is … Which statement describes the functioning of photosystem II? Light energy transfers electrons to cytochrome C. b. Which statement describes the functioning of photosystem II? What does the chemiosmotic process in chloroplasts involve? 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. The membrane that surrounds them is called thylakoid membranes in which the light reactions take place. 4. a) light energy excites electrons in the thylakoid membrane electron transport chain b) photons are passed along to a reaction-center chlorophyll c) the P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH It is located in the thylakoid membrane of plants, algae, and cyanobacteria. Explanation: Thylakoids are pouch-like membranous structure present in the chloroplasts and in the members of blue green algae. We have characterized the kinetics and … The electron vacancies in P680 are … Photosystem I and photosystem II are the two photosystems which are … Select one: a. Which statement describes the functioning of photosystem II? However, the fragments will reseal "inside out." 18) Which statement describes the functioning of photosystem II? Lactate + NAD? Water molecules are formed here. c. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. If the membranes are agitated further, however, the ability to synthesize ATP is lost. Which statement best describes the functioning of photosystem II? Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle? A) Light energy excites electrons in the electron transport chain in a photosynthetic unit. C) The P680 chlorophyll donates a pair of protons to NADP?, which is thus converted to NADPH. Which of the events listed below occurs in the light reactions of photosynthesis? B) the citric acid cycle. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. 2. Water molecules are formed here.C. b. Photosynthesis stores energy in complex organic molecules, whereas respiration releases it. Only photosystem II functions here.D. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. d. Which statement describes the functioning of photosystem II? Reduction of oxygen to form water occurs during. D. Photosystems I and II function here. c. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. Which of the following does not occur during the Calvin Cycle? C) The P680 chlorophyll donates a pair of protons to NADP+, which is … A) Light energy excites electrons in the thylakoid membrane electron transport chain. The leaves of this plant appear to be reddish yellow. This damage will have the most direct effect on which of the following processes? B) Photons are passed along to a reaction-center chlorophyll. H... Dramatics should be used in a sales presentation b... "You ought to buy that scarf. Light energy excites electrons in the electron transport chain in a photosynthetic unit. None of these The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. receiving electrons from the thylakoid membrane electron transport chain. Which of the following statements is a correct distinction between autotrophs and heterotrophs? Which of the following are directly associated with photosystem I? o The electron vacancies in P680+ are filled by electrons derived from water. B) The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. What wavelengths of visible light are being absorbed by this pigment? What is the oxidizing agent in the following reaction? 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. 28) Which statement describes the functioning of photosystem II? 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. Which statement describes the functioning of photosystem II? Which statement describes the functioning of photosystem II? The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. Two types of photosystems, photosystem I (PSI) and photosystem II (PSII), are found in the thylakoid membrane inside the chloroplast. A) Light energy excites electrons in the thylakoid membrane electron transport chain. The splitting of water yields molecular carbon dioxide as a by product O Photons are passed along to a reaction center chlorophyll. Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH-8 solution. B) Photons are passed along to a reaction-center chlorophyll. In a plant cell, where are the ATP synthase complexes located? b. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. A) Light energy excites electrons in the electron transport chain in a photosynthetic unit. B. A. Glucose is formed here. Most CO2 from catabolism is released during. The chlorophylls absorb light and use it for the synthesis of ATP and reduced coenzymes NADPH. The electron vacancies in P680+ are filled by electrons derived from water. Light is absorbed and funneled to reaction-center chlorophyll a. Light energy excites electrons in the electron transport chain in a photosynthetic unit. In C3 photosynthesis, the reactions that require A... What is the primary function of the Calvin cycle? The electron vacancies in P680 are filled by electrons derived from water. Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. Pyruvate + NADH + H? c. The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted to NADP+. 0/1 pts Incorrect Question 43 Which statement describes the functioning of photosystem II? The electron vacancies in P680 are filled by electrons derived from water. ? Light energy is captured by plants; light energy is used to … Some photosynthetic bacteria (e.g., purple sulfur ... P680? A) Light energy excites electrons in the thylakoid membrane electron transport chain. 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 c) the P680 chlorophyll donates a pair of protons to NADP+, which is … receiving electrons from the thylakoid membrane … B) Photons are passed along to a reaction-center chlorophyll. 1. Which process is mostly driven by light energy. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) Photons are passed along to a reaction-center chlorophyll. Light energy excites electrons in the electron transport chain in a photosynthetic unit. NADPH consumed by the Calvin Cycle in 1 hour. The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit. Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. Photosynth Res 29: 133–147 Google Scholar What is the primary function of the Calvin Cycle? Which statement describes the functioning of photosystem II? A) Light energy excites electrons in the thylakoid membrane electron transport chain. 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? Most CO2 from catabolism is released during  A) glycolysis. Chlorophylls are arranged in groups called photosystems. In mitochondria, exergonic redox reactions  A) are the source of energy driving prokaryotic ATP synthesis. Photosystem I and photosystem II are the two photosystems which are embedded in the thylakoid membrane. 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