BIO UNIT 2 Section 3

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drummerboy424
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240842
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BIO UNIT 2 Section 3
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2013-10-15 19:34:43
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BIO UNIT
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BIO UNIT 2
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  1. In the citric acid cycle, ATP molecules are
    produced by:
    Substrate-level phosphorylation
  2. Reduction Oxidation is also known as:
    REDOX
  3. If energy is not passed through mvt of
    electrons or mvt f phosphate groups its:
    Lost of Heat
  4. ______ reaction is energy going from 1 molecule to another in the form of electrons.
    REDOX
  5. When ever a cell needs energy for movement or anything it needs:
    ATP
  6. What are the 2 ways to transfer energy from
    exergonic reactions to endergonic (energetic coupling)
    • Transfer of high energy electrons
    • Phosphate groups
  7. ____ _____ is energy "released" by
    exergonic reactions
    Energetic Coupling
  8. ____ is the loss of electrons e-
    Oxidation
  9. _____ is the gain of electrons e-
    Reduction
  10. Cells undergo an _______ reaction which
    releases energy
    Exergonic
  11. For each glucose that enters glycolysis, ___
    acetyl CoA enter the citric acid cycle.
    2
  12. For each glucose that enters glycolysis, ___ NADH + H(+) are produced by the citric acid cycle.
    6
  13. In cellular respiration, most ATP molecules are
    produced by:
    Oxidative Phosphorylation
  14. The final electron acceptor of cellular
    respiration is:
    Oxygen
  15. During electron transport, energy from ___ is used to pump hydrogen ions into the _____
    NADH & FADH2…… Intermembrane space.
  16. Under what conditions will cells use fermentation pathways?
    When an ETC electron acceptor is not available
  17. What equation best summarizes photosynthesis?
    6 CO2 + 6 H2O → C6H12O6 + 6 O2
  18. The Calvin cycle in photosynthesis occurs in the:
    Stroma
  19. The light reactions of photosynthesis use _____
    and produce _____.
    water ... NADPH (a reactant in the Calvin Cycle)
  20. What term describes ATP production resulting from the capture of light energy by chlorophyll?
    Photophosphorylation
  21. True or false? The chemiosmotic hypothesis states that the synthesis of ATP generates a proton gradient that leads to electron
    flow through an electron transport chain.
    False
  22. According to the chemiosmotic hypothesis, what
    provides the energy that directly drives ATP synthesis?
    Proton Gradient
  23. Carbon fixation involves the addition of carbon
    dioxide to:
    RuBP
  24. How many carbon dioxide molecules must be added to RuBP to make a single molecule of glucose?
    6
  25. After 3-PGA is phosphorylated, it is reduced by:
    NADPH
  26. In the Calvin cycle, how many ATP molecules are required to regenerate RuBP from five G3P molecules?
    3
  27. In the light reactions, light energy is used to
    oxidize ___ to ____
    H2O, O2
  28. The electrons derived from the oxidation reaction in the light reactions are used to reduce ___ to ___
    NADP+, NADPH
  29. The Calvin Cycle oxidizes the light-reactions
    product ____ to____
    NADPH, NADP+
  30. The electrons derived from this oxidation reaction in the Calvin Cycle are used to
    reduce ___ to ___
    CO2, G3P
  31. Cellular respiration is the making of:
    ATP
  32. A high energy molecule can be:
    • fats
    • carbohydrates
  33. How do cells store sugar?
    Glycogen-animal/Starch-plants.
  34. Sugars have lots of:
    carbohydrogen bonds.

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