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5 Written Questions

5 Matching Questions

  1. photosynthesis
  2. photorespiration
  3. Cyclic electron flow
  4. photosystem II
  5. Thylakoid
  1. a One of two light-harvesting units of a chloroplast's thylakoid membrane; it uses the P680 reaction-center chlorophyll.
  2. b A flattened membrane sac inside the chloroplast, used to convert light energy into chemical energy.
  3. c A route of electron flow during the light reactions of photosynthesis that involves only photosystem I and that produces ATP but not NADPH or oxygen
  4. d process by which plants use the sun's energy to convert water and carbon dioxide into sugars
  5. e A metabolic pathway that consumes oxygen, releases carbon dioxide, generates no ATP, and decreases photosynthetic output.

5 Multiple Choice Questions

  1. the synthesis of organic compounds from carbon dioxide, such as in photosynthesis
  2. type of plant that minimizes photorespiration by fixing carbon twice, using a C4 pathway in addition to the Calvin-Benson Cycle.
  3. almost identical to chlorophyll a, but slightly different absorption spectra, yellow-green
  4. Store the organic acids made at night in vacuoles and use them for photosynthesis during the day when stomata are closed
  5. one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules

5 True/False Questions

  1. Calvin Cyclereactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugars

          

  2. photophosphorylationA metabolic pathway that consumes oxygen, releases carbon dioxide, generates no ATP, and decreases photosynthetic output.

          

  3. Photona tiny particle or packet of light energy

          

  4. heterotrophplant capable of synthesizing its own food from simple organic substances

          

  5. Mesophyllgreen pigment in plants that absorbs light energy used to carry out photosynthesis

          

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