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5 Written questions

5 Matching questions

  1. Light Reactions
  2. Chlorophyll
  3. Pigment
  4. Heterotroph
  5. Carbon Fixation
  1. a an organism that obtains organic food molecules by eating other organisms or their byproducts and that cannot synthesize organic compounds from inorganic materials
  2. b a substance that gives another substance or mixture its color
  3. c a green pigment that is present in most plant cells, that gives plants their characteristic green color, and that reacts with sunlight, carbon dioxide, and water to form carbohydrates
  4. d the initial reactions in photosynthesis, which are triggered by the absorbtion of light by photosystems I and II and include the passage of electrons along the electron transport chains, the production of NADPH and oxygen gas, and the synthesis of ATP through chemiosmosis
  5. e the synthesis of organic compounds from carbon dioxide, such as in photosynthesis

5 Multiple choice questions

  1. in the thylakoid membranes of chloroplasts, a cluster of chlorophyll and other pigment molecules that harvest light energy for the light reactions of photosynthesis
  2. one of many openings in a leaf or a stem of a plant that enable gas exchange to occur
  3. in chloroplasts and mitochondria, a process in which the movement of protons down their concentration gradient across a membrane is coupled to the synthesis of ATP
  4. a carbon-fixing process in which carbon dioxide is bound to a compound to form a four-carbon intermediate
  5. a biochemical pathway of photosynthesis in which carbon dioxide is converted into glucose using ATP

5 True/False questions

  1. Chloroplastan organelle found in plant and algae cells where photosynthesis occurs

          

  2. Primary Electron Acceptorthe initial reactions in photosynthesis, which are triggered by the absorbtion of light by photosystems I and II and include the passage of electrons along the electron transport chains, the production of NADPH and oxygen gas, and the synthesis of ATP through chemiosmosis

          

  3. Autotrophan organism that produces its own nutrients from inorganic substances or from the environment instead of consuming other organisms

          

  4. CAM pathwaya water-conserving, carbon-fixing process; ____ plants take in carbon at night and fix it into various organic compounds and release it during the day

          

  5. Thylakoida class of pigments that are present in the thylakoid membrane of plants and that aid in photosynthesis

          

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