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Unformatted text preview: -Therefore, the reaction requires energy to proceed->Endergonic = inward energy-They do not occur spontaneously Even Exergonic reactions need some energy to get started-This is called activation energy-Catalysts lower the activation energy Adenosine Triphosphate (ATP): The main form of energy in cells-Is used for short term energy supple and not for long term storage Is made of three parts:->Adenosine->Ribose->Triphosphate group The energy ATP contains lies in its bonds between the phosphate group Generally, only the last phsphate group is cleaved yielding ADP The cleaved phsphate grup is attached to another molecule and that molecule is "phosphorylated" Wehn the molecule is "dephosphorylated" the phosphate group is called inorganic phosphate Sheet1 Page 2 it can only change forms...
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This note was uploaded on 05/06/2008 for the course BIOL 121 taught by Professor Lopez during the Fall '07 term at Lansing.
- Fall '07