Electron ... Energized electrons are passed down electron transport chain with energy removed at each step. Each photosystem is serviced antenna complex, which passes energy from sunlight to the reaction center. Each photosystem contains a reaction center and an electron acceptor. ... OTHER QUIZLET SETS. C) It is used to establish and maintain a proton gradient. Photosystem II or PS II is the membrane-embedded-protein-complex, consisting of more than 20 subunits and around 100 cofactors. Help Center. Official Blog of Dr. Shamrahayu A. Aziz. In non-Cyclic PhotophosphorylationP680 is the active reaction center. B) this pigment is best at absorbing light with a wavelength of 700 nm. ... What is the function of each? pnturner. Reaction-center complex: A complex of proteins associated with a special pair of chlorophyll a molecules and a primary electron acceptor. The remaining G3P is available to _____. What is the reaction center complex referred to? This chemical energy supports the light-independent reactions and fuels the assembly of sugar molecules. Over the course of each carbon cycle, 3 ATP are used for _____, and 2 NADPH are used to _____, energy; reduce each molecule of 3-phosphoglycerate to glyceraldehyde-3-phosphate (G3P). Other than chlorophylls, carotenoids are also present in photosystems. Answer: B Topic: 7.7 Skill: Conceptual Understanding 38) Clusters of light-gathering pigments in a photosystem A) pass energy to the reaction center. The reaction center of photosystem 1. This process of reducing quinone is comparable to that which takes place in the bacterial reaction center. C) there are 700 photosystem I components to each chloroplast. The chlorophyll a molecules in the reaction center of a photosystem participate directly in the capture of solar energy. The light reaction occurs in two photosystems (units of chlorophyll molecules). The electrons from Photosystem II pass to. Q represents plastoquinone, the oxidized form of Q. QH 2 represents plastoquinol, the reduced form of Q. the distance from the peak of one light or sound wave to the peak of the next, range of all possible frequencies of radiation. photosystem 2 was discovered second but works first. How many photosystems are in each thylakoid system? splits into two 3-carbon sugars (3-phosphoglycerate) group of proteins, chlorophyll, and other pigments that are used in the light-dependent reactions of photosynthesis to absorb light energy and convert it into chemical energy, integral protein and pigment complex in thylakoid membranes that transports electrons from water to the electron transport chain; oxygen is a product of PSII, integral pigment and protein complex in thylakoid membranes that uses light energy to transport electrons from plastocyanin to NADP+ (which becomes reduced to NADPH in the process), pigment molecule that directly absorbs light and transfers the energy absorbed to other pigment molecules, complex of chlorophyll molecules and other organic molecules that is assembled around a special pair of chlorophyll molecules and a primary electron acceptor; capable of undergoing oxidation and reduction, complex that passes energy from sunlight to the reaction center in each photosystem; it consists of multiple antenna proteins that contain a mixture of 300-400 chlorophyll a and b molecules as well as other pigments like carotenoids, ejection of an electron from a reaction center using the energy of an absorbed photon, group of proteins between PSII and PSI that pass energized electrons and use the energy released by the electrons to move hydrogen ions against their concentration gradient into the thylakoid lumen, group of reversibly oxidizable and reducible proteins that forms part of the electron transport chain between photosystem II and photosystem I, pigment or other organic molecule in the reaction center that accepts an energized electron from the reaction center. 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