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Photosynthesis

Photosynthesis - Reading Check Chapter 4 Energy and...

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Reading Check Chapter 4 – Energy and Metabolism
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Questions from reading Ch. 4 What molecule serves as the primary energy source for metabolism? What process forms the basis of almost all food chains on Earth? The energy of movement is referred to as _______________ energy.
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Today’s Objectives Given information and/or diagrams on the process of photosynthesis, write and/or identify the equation, raw materials, sites, products, factors affecting the process, and the role of chlorophyll in the light and dark reactions.
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ATP: The Cell’s Currency Adenosine Triphosphate Energy from food is converted into high energy bonds in ATP ADP + P + energy ATP
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Photosynthesis 6 CO 2 + 6 H 2 O + E C 6 H 12 O 6 + 6 O 2 Basis of most of the earth’s food chains Produces and maintains all of the earth’s atmospheric oxygen Most oxygen produced in the oceans
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Photosynthetic Pigments Mostly chlorophyll a and chlorophyll b Accessory pigments: Carotenoids Anthocyanins Each pigment absorbs a particular wavelength of light in the visible spectrum
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Pigment Absorption
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Overview of Photosynthesis
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