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5 Written Questions

5 Matching Questions

  1. Photosystems
  2. Fluoresce
  3. Stroma
  4. Mesophyll
  5. Photons
  1. a packets of energy that travel in waves, one of these energizes one electron
  2. b where chlorophyll is stored
    include antenna complex/reaction center
    2 types= photosystem II and photosystem I (in order in which they occur, named in order of discovery)
  3. c inclosed by the inner membrane
  4. d when an electron returns to its ground state, releases light
  5. e cells where chloroplasts are located, in the middle of the leaf, have 20 to 100 chloroplasts

5 Multiple Choice Questions

  1. bright green chlorophyll A
    absorbs reds and blues, reflects green and yellow
  2. process that produceds ATP (ATP synthesis)
  3. C3 photosysthesis
    C4 photosynthesis
    CAM photosynthesis
  4. 1. Electrons pass from one membrane protein to the next, giving up energy as they pass
    2. fuels hydrogen ion pump, which pump H+ ions (AKA protons) into thylakoid space
    3. H+ ion moves back through ATP synthase, fueling this enzyme that synthesizes ATP
  5. C4 plants
    before calvin cycle, CO2 is fized into a 4 carbon molecule
    seasonally (long, dry season)
    ex. corn, sugarcane, crabgrass

5 True/False Questions

  1. Granum (grana plural)bright green chlorophyll A
    absorbs reds and blues, reflects green and yellow


  2. CAM photosynthesisonly fix carbon at night
    dry, desert environment
    only opens the stomata at night, which converts to a temporary carbon storage molecule, which is then used in the calvin cycle
    ex. cactus, aloe plants, succulants


  3. Light Independent Reactions/Carbon Fixation ReactionsGOAL=convert light energy to chemical energy
    1. occurs in thylakoid membranes
    2. light energy causes chlorophyll to spit out high energy electrons
    3. Electrons are replaced from H20
    4. Produce ATP and NADPH (electron carrier)


  4. Overall Reaction6CO2 +12H20 = C6H12O6 + 6O2

    CO2 and the C6H12O6 are involved in the reduction reaction, H20 and O2 are involved in the oxidation reaction


  5. Why do cyclic pathways exist?cyclic photophosphorlation produces ATP only
    simplest form
    electrons recycle so none are needed
    not O2 released, bc H2O is not split


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