Understandings:
- Light-dependent reactions take place in the intermembrane space of the thylakoids.
- Light –independent reactions take place in the stroma.
- Reduced NADP and ATP are produced in the light-dependent reactions.
- Absorption of light by photosystems generates excited electrons
- Photolysis of water generates electrons for use in the light-independent reactions.
- Transfer of excited electrons occurs between carriers in thylakoid membranes.
- Excited electrons from Photosytem II are used to contribute to generate a proton gradient.
- ATP synthase in thylakoids generates ATP using the proton gradient.
- Excited electrons from Photosytem I are used to reduce NADP.
- In the light-independent reaction a carboxylase catalyzes the carboxylation of ribulose-bisphosphate.
- Glycerate 3-phosphate is reduced to triose phosphate using a reduced NADP and ATP.
- Triose phosphate is used to regenerate RuBP and produce carbohydrates.
- Ribulose bisphosphate is reformed using ATP.
- The structure of the chloroplast is adapted to its function in photosynthesis.
- Calvin's Experiment to elucidate the carboxylation of RuBP
- Annotation of a diagram to indicate the adaptations of a chloroplast to its function
- Developments in scientific research follow improvements in apparatus- sources of 14C and autoradiography enabled Calvin to elucidate the pathways of carbon fixation.
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