it14spr101.40cC4T1,2,3,4.txt

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it14spr101.40c
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it14spr101.40cC4T1,2,3,4.txt
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2014-02-12 14:51:54
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Ch 4 Cellular Metabolism Topics 1-4
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  1.  _______ is the combined chemical reactions in cells that use or release energy.
    Metabolism
  2. Which type of metabolism is the synthesis of large molecules from smaller ones?
    Anabolism; Anabolic Metabolism
  3. The type of metabolism that breaks down large molecules is _______.
    Catabolism; Catabolic Metabolism
  4. What is an anabolic process that joins small molecules by releasing the equivalent of H2O molecules?
    Dehydration Synthesis
  5. _______ enzymatically adds the equivalent of a H2O molecule to split a molecule.
    Hydrolysis
  6. This is the energy required to initiate a chemical reaction.
    Activation Energy
  7. A protein that catalyzes a specific biochemical reaction is an _______.
    Enzyme
  8. A _______ is a molecule on which an enzyme acts.
    Substrate
  9. What part of an enzyme temporarily binds to a substrate?
    Active Site
  10. What is a metabolic pathway?
    A series of linked, enzymatically controlled chemical reactions.
  11. A chemical that increases the rate of a chemical reaction is a _______.
    Catalyst
  12. A _____________________ is an enzyme that controls the rate of a metabolic pathway by regulating one of its steps.
    Rate Limiting Enzyme
  13. What is the small, non-protein, organic molecule required for the activity of a particular enzyme?
    Coenzyme
  14. A _______ is a small, organic molecule or ion that must combine with an enzyme for activity.
    Cofactor
  15. An organic compound needed for normal metabolism that the body can’t synthesize in adequate amounts and must therefore be obtained in diet is a _______.
    Vitamin
  16. _______ is an organic molecule that stores and transfers energy used in cellular processes?
    ATP; Adenosine Triphosphate
  17. What type of molecule is produced when ATP loses a terminal phosphate?
    ADP; Adenosine Diphosphate
  18. The process in which energy is changed from one form to another is ______________.
    Energy Transfer
  19. Which metabolic process adds a phosphate to an organic molecule?
    Phosphorylation
  20. _______ is the ability to do work.
    Energy
  21. ______________ is a biochemical pathway that transfers energy from organic compounds.
    Cellular Respiration
  22. What process combines O2 with another chemical?
    Oxidation

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