chapter 6

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coolflashcards
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69561
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chapter 6
Updated:
2011-02-28 12:46:13
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bio chapter
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bio 110 chapter 6
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  1. Polymers are broken apart by ________, the addition of water.
    hydrolysis
  2. A specific _______ catalyzes each cellular reaction.
    enzyme (protein)
  3. _________ have unique 3D shapes
    Enzymes
  4. As a result of its shape, the _____ has an active site where the ______ interacts with the _______’s substrate = specific substrate on which an _______ acts.
    enzyme
  5. Enzymes each have an optimal ______ & ___
    • temperature
    • pH
  6. Many enzymes require non-protein helpers called _____________. Most vitamins are ________
    • cofactors (co-enzymes if organic)
    • co-enzymes
  7. An example of an substrate is
    sucrose
  8. An example of an Enzyme is:
    sucrase
  9. Substrate binds to enzyme with induced fit called:
    handshake
  10. In an example the bond connecting _______ & _________ becomes strained.
    • glucose
    • fructose
  11. Substrate isconverted to Products (glucose & fructose) via _______
    hydrolysis
  12. The human body uses energy from _________for all its activities.
    ATP
  13. ________ ________ is the process that converts the chemical energy of food (sugars) to the chemical energy of ATP (adenosine triphosphate in animal cells, including human cells.
    Cellular respiration
  14. Cellular respiration occurs in three main stages:
    • 1. Glycolysis
    • 2. Citric Acid Cycle
    • 3. Oxidative Phosphorylation
  15. _______ begins respiration by breaking glucose, a 6-C molecule, into 2 molecules of pyruvate, a 3-C compound.
    Glycolysis
  16. Glycolysis occurs in the ________
    cytoplasm
  17. ________ undergoes transformation: carboxyl group removed & Coenzyme A added to yield Acetyl CoA
    Pyruvate
  18. The Citric Acid Cycle is also called:
    Krebs Cycle
  19. In what stage are electrons are shuttled through the electron transport chain to generate ATP
    Oxidative phosphorylation
  20. _______ _______:electrons are lost from one substance and added to another
    Redox reactions:
  21. Oxidative phosphorylation occurs in the inner ________ _________
    mitochondrial membrane
  22. The CoA helps the 2-C acetyl group enter the ______ ______ _______ and then splits off.
    citric acid cycle
  23. The _______ ______ _______ breaks down the 2-C acetyl group; yields 1 ATP + electrons for oxidative phosphorylation (+ other products)
    citric acid cycle
  24. The citric acid cycle occurs in the ________
    mitochondria
  25. _______ _______ ______ is a series of electron carrier molecules that shuttle electrons during the redox reactions that relelase energy used to make AT
    Electron transport chain
  26. _________ _______ are electrons are lost from one substance and added to another
    Redox reactions
  27. Oxidative phosphorylation occurs in the ________ ________ ________
    inner mitochondrial membrane

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