02:58Photosynthesis - Light Dependent Reactions and the Calvin CycleThe Organic Chemistry Tutor1075views1rank
02:50Cellular Respiration - Link Reaction and Krebs - Post 16 Biology (A Level, Pre-U, IB, AP Bio)Mr Exham Biology1031views2rank
Multiple ChoiceDescribe the primary function of the light reactions of photosynthesis.a) Production of NADPH used in cellular respiration.b) Use of ATP to make glucose.c) Conversion of chemical energy to light energy.d) Production of ATP and NADPH.2189views25rank
Multiple ChoiceWhere do the electrons that are excited in photosystem II come from?a) CO2.b) O2. c) Glucose. d) Photosystem I. e) Water.2239views16rank
Multiple ChoiceDuring the light reactions, photosystem I functions to_________, and photosystem II functions to __________.a) Reduce CO2; oxidize NADPH.b) Synthesize ATP; Produce O2.c) Produce O2; oxidize NADPH.d) Reduce NADP+; oxidize H2O.2350views23rank
Multiple ChoiceWhat is the correct order of steps of the light reactions of Photosynthesis?a) photosystem I, ETC, photosystem II, NADP+ reduction, chemiosmosis.b) photosystem I, photosystem II, ETC, NADP+ reduction, chemiosmosis.c) photosystem II, ETC, photosystem I, NADP+ reduction, chemiosmosis.d) photosystem II, photosystem I, ETC, NADP+ reduction, chemiosmosis.3415views16rank
Multiple ChoiceWhat structure is formed by the reaction center, light-harvesting complexes, and primary electron acceptors that cluster in the thylakoid membrane? 777views
Multiple ChoiceWhich of the following is cycled in the cyclic variation of the light reactions? 675views
Multiple ChoiceDuring photosynthesis in a eukaryotic cell, an electrochemical gradient is formed across the __________. 915views
Multiple ChoiceThe light reactions of photosynthesis generate high-energy electrons, which end up in __________ through linear electron flow. The light reactions also produce __________ and __________. 1490views
Multiple ChoiceThe energy used to produce ATP in the light reactions of photosynthesis comes from __________. 1112views
Textbook QuestionAdd labels to the figure that follows, which illustrates the product and reactants of photosynthesis and the relationship between its light reactions and light-independent reactions. 516views
Textbook QuestionWhen light strikes chlorophyll molecules in the reaction-center complex, they lose electrons, which are ultimately replaced by a. splitting water. b. oxidizing NADPH. c. the primary electron acceptor. d. the electron transport chain.744views
Textbook QuestionWhich of the following does not occur during the light reactions of photosynthesis? a. Water is released; b. Electrons from chlorophyll are moved to a higher-energy state by light; c. ATP is produced; d. NADPH is produced to carry electrons to the light-independent reactions; e. Oxygen is produced when water is split.1484views
Textbook QuestionWhich of the following is a false statement about photosynthesis? a. During the light-independent reactions, electrons and ATP from the light reactions combine with atmospheric carbon dioxide to produce sugars; b. The light-independent reactions take place in the chloroplast stroma; c. Oxygen produced during the light-independent reactions is released into the atmosphere; d. Chlorophyll absorbs blue and red light and reflects green light; e. The end product of photosynthesis is a carbohydrate such as glucose.1160views
Textbook QuestionPredict how the following conditions would affect the production of O2, ATP, and NADPH and state whether noncyclic or cyclic electron flow would occur in each: (1) Only blue photons hit a chloroplast842views
Textbook QuestionExplain what is meant by saying the light reactions convert solar energy to chemical energy.547views
Textbook QuestionThe following diagram compares the chemiosmotic synthesis of ATP in mitochondria and chloroplasts. Identify the components that are shared by both organelles and indicate which side of the membrane has the higher H+ concentration. Then label on the right the locations within the chloroplast. 1004views
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