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Photoysnthesis

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  • What wavelength of light do carotenoids absorb?
    400-500nm
  • What occurs in the thylakoid?
    Chlorophyll found in here, the site of the light-dependent photosynthesis reactions
  • Chlorophyll is found inside what organelle?
    Chloroplast
  • What central role does chlorophyll play?
    Converts solar energy to chemical energy
  • What is the difference between Carotenoids, xanthophyll, and chlorphyll
    The wavelength of light they absorb and the color pigment they produce
  • Is photosynthesis exergonic or endergonic?
    Endergonic
  • There are 8 steps in linear electron flow: The first step is.....
    A photon hits a pigment in a light-harvesting complex of PS II and passes its energy among pigment molecules
  • The products of photosynthesis are ______ and ________
    oxygen, C6H12O6/glucose/sugar
  • What type of reaction is photosynthesis?
    Oxidation-Reaction (Redox)
  • What is the max absorption wavelength for chlorophyll b?
    392nm (blue region) or 626nm (red region)
  • Photosytems are made of ______ complexes and a ______ complex
    light reaction, reaction-center
  • What is the max absorption wavelength for chlorophyll a?
    642nm (red region) or 372nm (blue region)
  • How many carbon dioxide molecules does it take to carry out the balanced photosynthesis equation?
    6
  • _____ is reduced in the photosynthesis quation
    Carbon dioxide (CO2)
  • _______ is oxidized in the photosynthesis equation
    Water (H2O)
  • the reactants for photosynthesis are _____, _____, and ______
    carbon dioxide, water, energy/sunlight
  • _______ in the thylakoid membrane help shuttle electrons to help in the production of ATP (hint: there are 2 of them)
    Photosystems
  • Which photosystem functions first?
    photosystem II