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Session Overview


This session will introduce the general ideas of both cyclic and non-cyclic photophosphorylation and how these two processes are used by cells to generate the ATP and the NADPH needed for the Calvin Cycle in photosynthesis.

Learning Objectives

  • To know that photosynthesis can convert light energy into chemical energy.
  • To understand how the light reactions convert solar energy into ATP and NADPH.
  • To understand that the Calvin cycle uses the chemical energy of ATP and NADPH produced in the light reactions to reduce CO2 to sugar.
  • To understand the relationships between cellular respiration and photosynthesis.

Session Activities

Lecture Video

Watch the lecture video excerpt

Check Yourself



Session Activities

Practice Problems

Further Study

Useful Links


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