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9-Photosynthesis-STUDENTVERSION-2

9-Photosynthesis-STUDENTVERSION-2 - Photosynthesis Concepts...

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1/3/2013 1 Photosynthesis Concepts 10.1-10.4 (pp. 184-203) Learning Objectives Successful students will be able to: Explain how plants are able to use energy from the sun to synthesize organic molecules Identify reactants and products for the light reactions and Calvin Cycle Explain the differences between the light reactions and the Calvin Cycle Describe the adaptations plants use to increase carbon fixation in dry hot climates and what characteristic of rubisco makes this necessary
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1/3/2013 2 Does this formula look familiar? Chloroplasts ________ resides in the thylakoid membrane
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1/3/2013 3 General equation has been known since the 1800s O 2 originally thought to come from CO 2 C.B. van Niel first proposed that O 2 came from H 2 0 in 1930s Confirmed in 1950s Scientists used 18 O to follow the oxygen atoms Exp. # 1: CO 2 + 2 H 2 O [CH 2 O] + H 2 O + O 2 Exp. # 2: C O 2 + 2 H 2 O [CH 2 O ] + H 2 O + O 2 Photosynthesis is a _____ Reaction _______ is split and the electrons (and H+) are transferred to CO 2 , reducing it to sugar Electrons increase in potential energy Therefore reaction is ___________ Where does the energy come from? Light + 6 CO 2 + 6 H 2 O C 6 H 12 O 6 + 6 O 2 Becomes ___________ Becomes __________
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1/3/2013 4 Quick Lesson on Light!
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9-Photosynthesis-STUDENTVERSION-2 - Photosynthesis Concepts...

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