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Chloroplast

Photosynthesis

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Chapter 10: Photosynthesis Concept 10.4 (195 ? 197) is not required knowledge for the AP? exam and is omitted. Overview: The Process That Feeds the Biosphere photosynthesis is the process that converts solar energy into chemical energy plants and other autotrophs are the producers of the biosphere photosynthesis occurs in plants, algae, certain other protists and some prokaryotes heterotrophs obtain their organic material from other organisms?consumers Concept 10.1: Photosynthesis converts light energy to the chemical energy of food Chloroplasts: The Sites of Photosynthesis in Plants the leaves of plants are the major sites of photosynthesis the color of the leaf is from chlorophyll, a pigment within the chloroplasts

Campbell Biology Chapter 10 Outline

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Mica Piro Chapter 10: Photosynthesis The Process That Feeds the Biosphere The conversion of light energy from the sun to chemical energy stored as sugar is called photosynthesis (occurs in algae, certain other unicellular eukaryotes, and some prokaryotes) Nourishes almost the entire living world directly or indirectly Organism acquires the organic compounds it uses for energy and carbon skeletons by one of 2 major modes: autotrophic nutrition or heterotrophic nutrition Autotrophs (?self-feeders?) sustain themselves without eating anything derived from other living beings Produce their organic molecules from CO2 and other inorganic raw materials obtained from the environment

chapter 10 note

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Chapter 10 Photosynthesis Overview: The Process That Feeds the Biosphere Photosynthesis Is the process that converts solar energy into chemical energy Plants and other autotrophs Are the producers of the biosphere Plants are photoautotrophs They use the energy of sunlight to make organic molecules from water and carbon dioxide Figure 10.1 Photosynthesis Occurs in plants, algae, certain other protists, and some prokaryotes These organisms use light energy to drive the synthesis of organic molecules from carbon dioxide and (in most cases) water. They feed not only themselves, but the entire living world. (a) On land, plants are the predominant producers of food. In aquatic environments, photosynthetic organisms include (b) multicellular algae, such

Photosynthesis Powerpoint

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Photosynthesis Energy Transformations ATP is the energy molecule used in all living things, so supplies must be constantly replenished. energy must be added to make ATP, thus ATP formation is an endergonic reaction. ADP + P + energy ---? ATP the addition of a phosphate molecule to ATP is called phosphorylation ATP ---? ADP + P + energy the removal of a phosphate molecule from ATP gives off energy and is called dephosphorylation Electron Transport System (ETS) is the means by which energy production occurs within cells. It is a series of progressively stronger electron acceptors. Each time an electron is transported, energy is either released or absorbed. This is how most of the ATP in plants and animals is formed Redox Reactions

Biology 10/12 Notes

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Photosynthesis Plants use sun to make glucose Photosynthesisers are base of food chain Too much algae? You got problems Need water Sunlight Nutrients Fertilizer runs into water, increases nutrients, too much algae Too much fish food/waste also does this Dead zone - an area in ocean or lace with scant or little oxygen Increased nutrients Increased algae growth Increased O2 from algae photosynthesis during day At night, respiration decreases O2 Uses up nutrients and die Decomposing bacteria consume/decompose algae Bacteria then blooms Oxygen is decreased even further Anoxic conditions - marine life cannot be supported Organic must have carbon AND hydrogen Chloroplasts - organelles consisting of photosynthetic pigments, enzymes, and other molecules grouped together in membranes

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