LECTURE-15_Photosynthesis-2

LECTURE-15_Photosynthesis-2 - Photosynthesis II Lecture#15...

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Unformatted text preview: Photosynthesis - II Lecture #15 ■ Part 1 – The Light Reaction. ■ Part 2 - The Calvin Cycle. ■ Part 3 - Summary (the big picture). ■ Campbell (8 th ed) - Chapter 10; 185-205. ■ Remember EXAM #2 is approaching - rapidly. Objectives ■ Know chloroplast structure and the function of its major components. ■ Contrast cellular respiration to photosynthesis with respect to CH 2 O, O 2 , CO 2 , and H 2 O. ■ Recall how photosynthetic and non- photosynthetic eukaryotes might have evolved. ■ Compare and contrast proton motive force in mitochondria and chloroplasts. Objectives ■ Recount what is achieved biochemicaly in the light dependent reaction and the light independent reaction. ■ Recall which biochemical reactions occur in the thylakoids and the stroma. ■ Describe photoexcitation. Objectives ■ Name the molecules that link the light reaction to the so called dark reaction (Calvin cycle). ■ Differentiate between Photosystem I and Photosystem II and describe generally the flow of electrons in the two systems. Lecture 16-Objectives ■ Recall the structure of the ATPase and recount its function. ■ Know the function of the accessory pigments. ■ Know the function of rubisco. ■ Know qualitatively what is achieved at each of the three stages of the Calvin cycle The Big Picture Heterotrophic cells can not productively fix ‘C”. More of The Big Picture Pathways of Photosynthesis ■ 6CO 2 + 12H 2 O + h ν → C 6 H 12 O 6 + 6O 2 + 6H 2 O ■ 6CO 2 + 6H 2 O + h ν → C 6 H 12 O 6 + 6O 2 ■ This looks like the reverse of respiration. However, plants do not make carbohydrate by reversing respiration....
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LECTURE-15_Photosynthesis-2 - Photosynthesis II Lecture#15...

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