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Photosynthesis Revealed

Photosynthesis Learning Modules

The Learning modules are provided by Taylor University and the Department of Biology to enhance the learning of photosynthesis. With them, you can learn about the process of photosynthesis, including: The Calvin Cycle, Photophosphorylation (cyclic and non-cyclic) processes and structure of the Chloroplasts.

Executable learning modules can be obtained by contacting Dr. John M. Moore at Taylor University or the National Association of Biology Teachers. Pictures and flash videos of each module are found below at the bottom of the page.

Please click on the links below to access the varied learning modules.

Chloroplast StructureChloroplast Structure

Examine the structure of the Chloroplast from organelle to thylakoid membrane. This module address the structure of the chloroplast and the relationship of the photosystems to the structure of the chloroplast.

Dark ReactionDark Reaction

View the dark reaction's processes of carboxylation and reduction. These processes occur inside the stroma of the chloroplast.  Watch what is needed in the process to produce the sugars of photosynthesis.

Photosystem IILight Reaction - Photosystem II

This learning module demonstrates how Photosystem II splits water and obtains electrons to drive proton translocation.  Watch the water release the electrons and pass them on to cytochrome system.  See how the electrons drive the process of proton translocation in the thylakoid membrane

Light Reaction - Photosystem ILight Reaction - Photosystem I

Photosystem I energizes the electrons for the reduction of NADPH. Watch as the electrons are passed from Photosystem II to I and are re-energized in the chloroplast and are passed on to the coenzyme NADPH.

Cyclic PhotophosphorylationCyclic Photophosphorylation

This learning module describes the cyclic path of electrons between Photosystems I and II when the coenzyme NADP+ is not available for reduction because all the available coenzyme has already accepted electrons.  Watch as the electrons are passed from Photosystem I back to Photosystem II.

Non-cyclic PhotophosphorylationNon-cyclic Photophosphorylation

The non-cyclic path of electrons between Photosystems I and II occurs when there is NADP+ available for electron acceptance.  Watch as the electrons move from Photosystem II to Photosystem I and then are passed to the coenzyme NADP+ which is then reduced to NADPH.

Pictures

Links below will provide you with larger pictures of the units:

Flash Videos

Links below will provide you with movies of the learning modules: