Biology Ch 7 Photosynthesis

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Author:
toribloom
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177455
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Biology Ch 7 Photosynthesis
Updated:
2012-10-15 06:12:35
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photosynthesis
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Description:
photosynthesis biology
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  1. During photosynthesis, carbon dioxide enters the leaf of the plant through the ____.
    stroma
    chloroplasts
    grana
    stomata
    stomata
  2. The _____ is the fluid surrounding the thylakoids in a chloroplast.

    grana
    stroma
    thylakoids
    stroma
    • A = 6CO2
    • B= 6(CH20)
  3. The major inputs of the light reactions of photosynthesis include:
    NADP+        ADP
    CO2             ATP
    H2O
    • NADP+
    • H20
    • ADP
  4. ___ is produced during the light reactions and is used during the Calvin cycle.

    NADH
    ATP
    Oxygen
    Water
    ATP
  5. Which are products of the light reactions of photosynthesis?
    NADPH
    CO2
    O2
    ATP
    • NADPH
    • ATP
  6. organism that captures energy and synthesizes organic molecules from inorganic nutrients such as carbon dioxide is called a(n) ______.
    autotroph
    heterotroph
    enzyme
    autotroph
  7. A light-capturing unit found in a thylakoid membrane that consists of a pigment complex and electron acceptor molecules is called a _____.
  8. The major inputs of the light reactions of photosynthesis are:
    CO2
    ATP
    H2O
    ADP
    NADP+
    • H2O
    • ADP
    • NADP+
  9. The stomata of a plant allow ________  ________ to enter the leaf tissues.
    carbon dioxide
  10. Yellow and orange accessory pigments are called ______.
    carotenoids
  11. The pigments of chloroplasts only absorb a specific range of wavelengths, this is caled the __________ _______.
    absorption spectrum
  12. the light reactions of photosynthesis generate energy (ATP) by:
    respiration
    chemiosmosis
    fermentation
    Chemiosmosis
  13. Which of these is a molecular complex that uses light energy to reduce NADP+ to NADPH?

    Photosystem I
    Photosystem II
    Photosystem I
  14. _______ is a molecular complex that uses light energy to oxidize water molecules.
    Photosystem II
    Photosystem I
    Photosystem II
  15. ____ organisms cannot synthesize organic compounds from inorganic substances and therefore must take in organic molecules (food).
    Heterotroph
  16. The two outer membranes of the chloroplast enclose a gelatinous matrix called the ___.
    stroma
  17. The loss of electron or hydrogen ions:
    oxidation reaction 
    reduction reaction
    oxidation reaction
  18. The gaine of electrons or the gain of hydrogen ions:
    oxidation reaction
    reduction reaction
    reduction reaction
  19. A stack of flattened thylakoid discs is called a _____.
    grana
  20. A light-capturing unit found in a thylakoid membrane that consists of a pigment complex and electron acceptor molecules is called a _____.
    photosystem

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