Light reaction of photosynthesis

    • [PDF File]Light Reactions ofPhotosynthesis - PNAS

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      Photosynthesis: Light Reactions Cyanobacteria ... +light • Light Reactions of photosynthesis • Take place on thylakoid membranes • In Eukaryotic cells this is in the chloroplast. Structure of chloroplast ... • Reaction centers = 2 chl a molecules

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    • [PDF File]Lecture 022--Photosynthesis 1 (Light Reactions)

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      Chapter 22 – The Light Reactions (Problems 1,2,4,5,8-10,13-19) • Photosynthesis: a process that converts atmospheric CO 2 and H 2O to carbohydrates • Solar energy is captured in chemical form as ATP and NADPH

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    • [PDF File]Light Reactions of Photosynthesis 4

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      that photosynthesis involves both light absorption and enzymatic reactions. Between 1883 and 1885, a German physiologist, T.W. Engelmann, in a remarkably simple experiment, demonstrated which colors of light are used in photosynthesis. The …

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    • [PDF File]Chapter 22 – The Light Reactions

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      Photosynthesis consists of 2 sets of Reactions The light-dependent or “Light” Reactions: • convert sunlight energy into chemical energy (stored in ATP & NADPH) “Dark” Reactions (Calvin cycle): • use chemical energy from light reactions to make glucose Light H 2O CO 2 Chloroplast LIGHT REACTIONS (in thylakoids) CALVIN CYCLE (in ...

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    • [PDF File]Photosynthesis - University of California, Davis

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      Photosynthesis Overview “Light” reactions (Light-Dependent Rxns) convert solar energy to chemical energy sun ATP Calvin cycle uses chemical energy (NADPH & ATP) to reduce CO 2 to build C 6 H 12 O 6 (sugars) A Look at Light The spectrum of color

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    • [PDF File]Photosynthesis: Light Reactions

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      II. Light Reaction 1. First stage of photosynthesis 2. Main points: •Absorb light energy •Convert light energy to chemical energy: ATP and NADPH •Splits H 2 O to Produce H+ and electrons (e-) •Oxygen is released 3. GOAL: make ATP to power the Calvin Cycle

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    • What Happens in the Light Reaction of Photosynthesis ...

      Thefirst hypothesis abouttherole of light in photosynthesis came very appropriately from Jan Ingenhousz, who some years earlier had madethe epochal discovery that it is "the influence of the light of the sun upon the plant" (1) that is responsible for the "restorative" effect of vegetation on "bad" air-an observation first made in 1771 by Joseph

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    • [PDF File]Photosynthesis: Light Reaction

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      of photosynthesis lies in the rapid separation of electrically charged products after an initial light reaction and the subsequent efficient formation of stable products that can be used to drive anabolic reactions (molecule-building reactions) in the cell. The section on plastids in Chapter 3 should be con-sulted before reading this chapter.

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    • [PDF File]Chapter 7: PHOTOSYNTHESIS

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      Chapter 5 Photosynthesis Photosynthesis is the physico-chemicalprocess by which plants, algae and photosynthetic bac-teria transduce light energy into chemical energy. In plants, algae and cyanobacteria, the pho-tosynthetic process results in the release of molecular oxygen and the removal of carbon diox-

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    • [PDF File]Chapter 5 Photosynthesis - GWDG

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      Photosynthesis (Carbon Assimilation) The light reactions result in the formation of the high-energy compounds ATP and NADPH. While these compounds can be used to drive metabolic processes, one additional critical reaction must occur: the fixation of carbon dioxide. Without CO2

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