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HazeEzah Group Title

Seems like a lot, but you're help is appreciated: Discuss each of the following: a. The structure of an enzyme. b. The purpose of enzymes and how enzymes function. c. How enzymes are effected by temperature, pH & concentration. d. Discuss the enzyme-catalyzed reaction in the AP Lab (Reference to catalysis of Hydrogen Peroxide with Catalase). Thanks :)

  • 3 years ago
  • 3 years ago

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  1. Preetha Group Title
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    You are going to have to do a lot of reading. Try this site: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/E/Enzymes.html. This is an important topic and you will get tested on this again and again. I suggest you read a little, and then comeback with questions on things you do not understand.

    • 3 years ago
  2. HazeEzah Group Title
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    I appreciate the thought, however. broken link :3

    • 3 years ago
  3. Preetha Group Title
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    Ok, Ill look for another one. Gimme a minute. What is your textbook?

    • 3 years ago
  4. HazeEzah Group Title
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    Cambell Biology ninth edition Ap edition

    • 3 years ago
  5. Preetha Group Title
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    Which chapter?

    • 3 years ago
  6. Preetha Group Title
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    I am trying to find it for you on this site. http://www.course-notes.org/Biology/Outlines

    • 3 years ago
  7. Preetha Group Title
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    http://www.course-notes.org/biology/topic_notes/08_energy_and_metabolism/enzymes

    • 3 years ago
  8. HazeEzah Group Title
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    chapter 8 is about enzymes

    • 3 years ago
  9. Preetha Group Title
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    So enzymes speed up the reaction by lowering energy barriers.

    • 3 years ago
  10. Preetha Group Title
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    he purpose of enzymes and how enzymes function.: Many reactions occur so slowly because they have a high energy of activation. Enzymes lower that energy barrier and allow the reaction to occur.

    • 3 years ago
  11. Preetha Group Title
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    Enzymes are very specific in their role an in the substrates (compounds) they work with. Its like a lock fits only one key.

    • 3 years ago
  12. Preetha Group Title
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    pH: Each enzyme works best at certain optimal conditions, which favor the most active conformation for the enzyme molecule.

    • 3 years ago
  13. Preetha Group Title
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    Temp: As temp increases, the effectiveness of the enzyme increases a little, because the reactants and products move and have higher energy. Then if the temp incs more, the enzyme will fall apart because it is a protein itself.

    • 3 years ago
  14. Preetha Group Title
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    Hope that helps.

    • 3 years ago
  15. dspieg Group Title
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    Enzymes speed up both the forward and reverse reactions equally, but they do not change the equilibrium between reactants and products. This means that introducing enzymes into a chemical reaction will reduce the time it takes for the reaction to reach equilibrium BUT the enzyme does not necessarily push the reaction in one direction or the other. The equilibrium is determined by the thermodynamic energy states of reactants and products. The transition state energies when converting from reactants to products (or reverse) are what determine the speed of the reaction. Enzymes reduce these transition state energy barriers.

    • 3 years ago
  16. Preetha Group Title
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    Thats very good dspieg. You are right on. Go read your book HazeEzah. This is important stuff.

    • 3 years ago
  17. HazeEzah Group Title
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    Thanks a lot Guys!

    • 3 years ago
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