Photosynthesis Compared to Respiration

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Photosynthesis Compared to Respiration
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Photosynthesis and Respiration Similarities

• The Calvin cycle includes reactions that are
  similar to reactions in cellular respiration but
  that occur in reverse.
• The proteins and cytochromes of the electron
  transport chains in photosynthetic membranes and
  in respiratory membranes are similar in structure
  and, in some cases, are exactly the same.
• Both processes use chemiosmosis to transform
  energy from one form to another.
• In mitochondria, H ions are pumped from the
  matrix into the intermembrane space, with ATP
  synthesis occurring in the matrix. In
  chloroplasts, H ions are pumped from the stroma
  into the thylakoid lumen, with ATP synthesis
  occurring in the stroma.

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Seatwork/Homework

• Read 3.5 (pages 173-177) and make notes.