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5 Written questions

5 Matching questions

  1. Photosystems
  2. C3 Photosynthesis
  3. Overall Reaction
  4. Fluoresce
  5. Why do cyclic pathways exist?
  1. a when an electron returns to its ground state, releases light
  2. b plants use this as a back up
    bacteria use it to make ATP from sunlight
    probably the first system
  3. c most plants
    goes through the C3 pathway
    normal photosynthesis
  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 6CO2 +12H20 = C6H12O6 + 6O2

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

5 Multiple choice questions

  1. long=less energetic
    short=more energetic
  2. only 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. GOAL=convert to storable form of chemical energy
    1. independent of light
    2. conver inorganic forms of carbon (CO2) into organic form to create glucose
    3. Uses products of the Light-Dependent reactions to fix the carbon
  4. inclosed by the inner membrane
  5. cyclic photophosphorlation produces ATP only
    simplest form
    electrons recycle so none are needed
    not O2 released, bc H2O is not split

5 True/False questions

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

          

  2. Chlorophyllcells where chloroplasts are located, in the middle of the leaf, have 20 to 100 chloroplasts

          

  3. Light-Dependent 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. Steps of Chemiosmosisprocess that produceds ATP (ATP synthesis)

          

  5. Stomataholes on the underside of a leaf where gas is released

          

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