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Prokaryotic Photosynthesis quiz

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  • Where do light reactions occur in prokaryotic photosynthesis?
    Light reactions occur in the plasma membrane or cytoplasmic membrane of prokaryotes.
  • Where does the Calvin cycle take place in prokaryotic cells?
    The Calvin cycle occurs in the cytoplasm of prokaryotic cells.
  • What organelle is absent in prokaryotic photosynthetic cells?
    Prokaryotic cells lack chloroplasts and other membrane-bound organelles.
  • What is the primary electron donor in oxygenic photosynthesis?
    Water (H2O) is the primary electron donor in oxygenic photosynthesis.
  • What gas is produced during oxygenic photosynthesis?
    Oxygen gas (O2) is produced during oxygenic photosynthesis.
  • Which pigment molecule is used in oxygenic photosynthesis?
    Chlorophyll a is used as the primary pigment molecule in oxygenic photosynthesis.
  • How many photosystems are involved in oxygenic photosynthesis?
    Both photosystem 1 and photosystem 2 are involved in oxygenic photosynthesis.
  • What is the primary electron donor in anoxygenic photosynthesis?
    Molecules other than water, such as hydrogen sulfide (H2S), are used as electron donors in anoxygenic photosynthesis.
  • Does anoxygenic photosynthesis produce oxygen gas?
    No, anoxygenic photosynthesis does not produce oxygen gas.
  • Which pigment molecules are used in anoxygenic photosynthesis?
    Bacteriochlorophylls are used as the primary pigment molecules in anoxygenic photosynthesis.
  • How many photosystems are involved in anoxygenic photosynthesis?
    Only one photosystem, either photosystem 1 or 2, is used in anoxygenic photosynthesis.
  • What is a classic example of a prokaryote that performs oxygenic photosynthesis?
    Cyanobacteria are classic examples of prokaryotes that perform oxygenic photosynthesis.
  • Name two types of bacteria that perform anoxygenic photosynthesis.
    Green bacteria and purple bacteria perform anoxygenic photosynthesis.
  • Where do light reactions occur in eukaryotic photosynthesis?
    Light reactions occur in the thylakoid membranes of chloroplasts in eukaryotes.
  • Where does the Calvin cycle occur in eukaryotic photosynthesis?
    The Calvin cycle occurs in the stroma of the chloroplast in eukaryotic cells.