Photosynthesis

Last update by mayurcooled on 04/23/2014
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In C4 & CAM plants carbon dioxide is fixed in the _________ of mesophyll cells.

Answer:
cytoplasm

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    How does C4 plants differ from C3 & CAM plants?
    transfer fixed carbon dioxide to cells in which the Calvin cycle occurs
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    Page 24 figure

    Which of the following statements is true concerning the figure?
    It represents cell processes involved in C4 photosynthesis.
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    In an experiment studying photosynthesis performed during the day, you provide a plant with radioactive carbon (14C) dioxide as a metabolic tracer. The 14C is incorporated first into oxaloacetate. What best characterizes this plant?
    C4 plant.
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    Why are C4 plants able to photosynthesize with no apparent photorespiration?
    They use PEP carboxylase to initially fix CO2.
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    CAM plants keep stomata closed in daytime, thus reducing loss of water. Why are they able to do this?
    fix CO2 into organic acids during the night.
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    Photorespiration lowers the efficiency of photosynthesis by preventing the formation of what?
    3-phosphoglycerate molecules
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    Plants are photoautotrophs. What does this mean?
    They make their own food from inorganic materials.
    They are in the same category as algae & cyanobacteria.
    They are among the producers of the biosphere.
    They use light energy to drive the synthesis of organic molecules.
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    What is the ultimate source of energy to support most life on Earth?
    sunlight
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    In plant cells, where are the photosynthetic membranes found?
    chloroplasts
  • JanetMayorga
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    In the electromagnetic spectrum, the type of radiation that we call visible light occurs between what?
    ultraviolet radiation & infrared radiation
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    What are the products of the light reactions of photosynthesis?
    high-energy electrons
    ATP
    NADPH
    oxygen