Photosynthesis diagrams 2015. Sparknotes.com Photosynthesis definition and 2 word meaning Chlorophyll a: reflects green; absorbs bl/vio and red b: reflects.

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Presentation transcript:

Photosynthesis diagrams 2015

Sparknotes.com Photosynthesis definition and 2 word meaning Chlorophyll a: reflects green; absorbs bl/vio and red b: reflects yellow gr; absorbs bl. Orange Why do leaves change color in the fall?

CO 2 + H 2 OC 6 H 12 O 6 + O 2 What does this equation remind you of? Balance this equation and add missing raw materials Redox reaction: what is oxidized and what is reduced? Photosynthesis equation

Masterman535.hubpages.com

Biologycorner.com Light dependent reactions. What are the 3 products of the light reactions? Where does the Oxygen go and how does it get there? And the Hydrogen? Photosystem I…………Electron Transport chain………..Photosystem II In what part of the chloroplast do these occur?

Light Reactions Light transformed into chemical energy: ATP and NADPH and water is split Note PSII is P680 and PSI is P700

Studyblue.com Light-independent reaction or Calvin Cycle added to Light dependent reactions : CO 2 becomes glucose Where does the Calvin cycle occur? Another name for calvin cycle? Must this cycle occur in the dark?

Calvin Cycle: Light independent in C3 plants Carbon fixation Carbon dioxide + rubisco (enz) forms RuBP-6C unstable Splits into 2 3C molecules of PGA or phospho- Glyceric acid Some of G3P Is released and forms glucose; Some stays in cycle To form RuBP again What would C3 plants do in hot and dry climates? Hint: think about the leaf x section

Questions: In 3C Plants, carbon dioxide is fixed to 3C compounds. What would happen in C4 plants? ( corn and sugar cane) What happens if rubisco uses Oxygen and not carbon dioxide? What is this process? What is released, what is used, and what is prevented? What are CAM plants? Give a couple of examples. How do the cells in the leaf respond, particularly, the stomata?