Bio1_11_CalvinCycle - 1 2 3 4 1 2 5 6 7 8 9 10 Self-Quiz 1...

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1 Self-Quiz 1. What molecular reactants are necessary for photosynthesis to occur? 2. Which reactant is oxidized? Which is reduced? 3. What is the coenzyme for oxidation-reduction in photosynthesis? 4. What flows across the thylakoid membrane to make ATP? 5. What is the function of cyclic photophosphorylation? Overview: Carbon Capture Ch. 7: Photosynthesis – Global warming – Calvin cycle – Modifications in plants Global Warming Rise in average global temperature CO 2 & other greenhouse gases – Burning fossil fuels & rain forest destruction Calvin Cycle Requires Carbon dioxide • ATP • NADPH Reaction pathway is cyclic, RuBP regenerated Produces • Glucose ADP + P i • NADP + Calvin Cycle Reactions • CO 2 fixation • CO 2 reduction Regeneration of RuBP Calvin Cycle Reactions Fixation of CO 2 – RuBP carboxylase (enzyme) speeds reaction – Attachs CO 2 to RuBP •6-carbon molecule split into 3-carbon molecules Calvin Cycle Reactions Reduction CO 2 – Energy from ATP – Electrons from NADPH – CO 2 reduced to carbohydrate (G3P) Calvin Cycle Reactions Regeneration of RuBP – 5 3-carbon molecules to 3 5-carbon molecules – Energy from ATP Assignment 1 Think, Pair, Share Topic: Why does photosynthesis have the light reactions? – What are produced? Why does photosynthesis have Calvin cycle reactions? – What are produced? Products from the Calvin Cycle G3P converted into necessary molecules • Carbohydrates 1 2 3 4 1 2 5 6 7 8 9 10
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2 – Glucose phosphate – Fructose phosphate – Sucrose – Starch – Cellulose Fatty acid synthesis Amino acid synthesis Summary of Photosynthesis Review Exercise Label a. – h. in the diagram below.
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