metabolism

Card Set Information

Author:
tanyalequang
ID:
301403
Filename:
metabolism
Updated:
2015-04-23 15:22:53
Tags:
bio 120 velasco metabolism
Folders:
biology
Description:
metabolism
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  1. 1st law of thermodynamics
    • energy cannot be created or destroyed, only transformed/transferred
    • energy is universally constant
  2. 2nd law of thermodynamcs
    every energy transfer/trasnformation increases entropy (disorder)
  3. What is the tendency of life?
  4. free energy equation
  5. a reaction that requires a energy is considered
    nonspontaneous
  6. a reaction that occurs without the need for energy
    spontaneous
  7. describe an exergonic reaction
    when energy is released as a product
  8. describe an endergonic reaction
    when energy is absorbed within the reactants
  9. describe a coupled reaction and the resultant free energy of the coupled reaction
    • when the energy released by an exergonic reaction is used to initiate the endergonic reaction.
    • ┬áthe free energy is =0
  10. give an example of a coupled reaction in a cell
    the hydrolysis and formation of ATP

    INSERT PICTURE HERE
  11. what is the energy molecule used in cells
    ATP (adenosine triphospate)

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