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5 Written questions

5 Matching questions

  1. Chlorophyll
  2. thylakoid
  3. Steps of Chemiosmosis
  4. Stroma
  5. Photosystems
  1. a inclosed by the inner membrane
  2. b 3rd membrane inside the stroma
    set of membranes with an internal space (lumen)
    arranged into stacks
    where chlorophyll and other pigments are stored
  3. c 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
  4. d 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)
  5. e pigment in chloroplasts that trap light

5 Multiple choice questions

  1. process that produceds ATP (ATP synthesis)
  2. holes on the underside of a leaf where gas is released
  3. GOAL=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. cyclic photophosphorlation produces ATP only
    simplest form
    electrons recycle so none are needed
    not O2 released, bc H2O is not split
  5. 1. Light energizes 2 electrons (source=H2O, energy from this splitting goes to photosystem II)
    2. High energy electrons passed to electron transport chain
    3. release energy as they pass through the chain (fuels chemiosmosis that produces ATP)
    4. low energy electrons from transport chain pass to photosystem I
    5. energized again from the sun
    6 high energy electrons move to 2nd electron transport chain, then to electron carrier (NADPH)

5 True/False questions

  1. Other pigmentschlorophyll b (yellow green)
    carotenoids (orange)


  2. Calvin Cyclepigment in chloroplasts that trap light


  3. 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


  4. Mesophyllpigment in chloroplasts that trap light


  5. Main plant pigmentchlorophyll b (yellow green)
    carotenoids (orange)