Most plants store excess energy from photosynthesis. Name some times when recovery of stored energy may occur. Does energy recovery always occur in the same sites where photosynthetic capture occurred?
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Most plants store excess energy from photosynthesis. Name some times when recovery of stored energy may occur. Does energy recovery always occur in the same sites where photosynthetic capture occurred?
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- Which of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2Which of the following statements is FALSE? Water is the ultimate electron donor. Photosystem II has chlorophylls in its reaction center that has maximum light absorption at 680 nm. Plastoquinone has a higher reduction potential than plastocyanin. Proton gradient is created in the light phase of photosynthesis wherein the pH in the stroma is higher than in the lumen.Which of the following statements about the light reactions of photosynthesis is NOT true? Chlorophyll and other pigments absorb light energy, which excites electrons ATP is generated by photophosphorylation Electrons from water are given to the chlorophyll molecules of Photosystem! The splitting of water molecules provides a source of electrons
- Diagram 8: Temperature and Rate of Photosynthesis 5 10 15 20 25 30 35 40 temperature (°C) The most accurate explanation for lower rates of photosynthesis at high temperatures would be The water splitting enzyme and ATP synthase will change their shapes at higher temperature and not function properly. There is less light at high temperatures to power the light dependent reactions. Less O2 is available to power the Calvin Cycle when temperatures are high. There is a lower availability of CO2 for photosynthesis at higher temperatures. rate of photosynthesisDraw a diagram of the dark phase of photosynthesis. You must represent this phase in the form of a cycle indicating the parts of carboxylation, reduction, generation of hexoses and regeneration. Ribulose, CO2, rubisco, phosphoglycerate (PGA), bisphosphoglycerate, phosphoglyceraldehyde (PGAL), ATP, ADP, NADPH, NADP, kinase, fructose, and glucose should appear.Carbon fixation in plants is catalyzed by what enzyme? What is the name given to an organism (plant, bacteria or algae) that can produce its own food from organic molecules specifically by using photosynthesis? Which molecule leaves the Calvin cycle to be converted into glucose? What is the overall purpose of cellular respiration in photosynthetic organisms? In which plant organ does photosynthesis most commonly occur? Question options: the root the stem the leaf the flower
- Which of the following does not occur in anoxygenic photosynthesis? Bacteriochlorophyll is involved in the light reaction. Water is split into oxidized and reduced parts. The system operates under anaerobic conditions. O ATP is formed via cyclic photophosphorylation.Which of the following statements about the challenges of C3 photosynthesis under hot conditions is TRUE? O When they close stomatal cells, they save water but lose too much O2. O Rubisco has a higher affinity for CO2, making the rate of photosynthesis too rapid. When stomatal cells close, photorespiration increases and CO2 is lost. C3 plants have to spend energy to store carbon in a separate specialized cell.Which of the following statements about the light reactions of photosynthesis are correct? 1. Absorption of light does one thing: it makes chlorophyll easier to oxidize. 2. In PSII, the rate of damage to the D1 protein can never exceeds the rate of repair. 3. Electron transport is spontaneous (exergonic) as electrons move from P680* to P700+. 4. Compared to anoxygenic photosynthesis, in oxygenic photosynthesis less light needs to be absorbed to reduce NADP+. A. 1,2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1,2,3 and 4 are correct
- Identify the correct compound to create a chemical equation that represents Photosynthesis. + Drag and drop the right reactants and products of the Light Dependent and Light Independent (aka Dark) Reactions. Chloroplast NADPH NADP+ ADP Water - H20 Calvin Cycle Glucose - C6H1206 ATP Light Reaction Thylakoids Stroma O2 Carbon Dioxide CO2 Identify the reactants and products that are used and given off by plants and animals.Identify each statement below as True or False. * Another name for phase I of photosynthesis is electron transport. Phase I of photosynthesis stores energy in NADPH molecules. Photosynthesis takes place inside the mitochondria. Energy is stored in water molecules during phase I of photosynthesis. Phase I of photosynthesis is also known a the light- dependent reactions. Photosynthesis phase I stores energy that is used to power phase II. Phase I of photosynthesis stores energy in ATP molecules. Phase I of photosynthesis can only take place when light is available. Light is not required for phase I of photosynthesis. The process of photosynthesis takes in the chloroplasts of a cell. place True ο ο ο ο ο ο ο ο False O оWhat is the overall outcome of the light reactions in photosynthesis? NADPH and ATP molecules are produced during the light reactions and are used to power the light independent reactions. NADPH and ATP molecules are produced during the light reactions, which are used to power the light dependent reactions. Sugar and ATP are produced during the light reactions, which are used to power the light independent reactions. Carbon dioxide and NADPH are produced during the light reactions, which are used to power the light dependent reactions.
