Micro Ch 2 Part 2

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Author:
Anonymous
ID:
283952
Filename:
Micro Ch 2 Part 2
Updated:
2014-09-23 20:10:48
Tags:
micro
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Description:
Fall 2014
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  1. inorganic molecules do not contain:
    hydrogen or carbon
  2. pH measures the:
    concentration of hydrogen ions in a solution.
  3. Acids - release ______ _____ into the solution
    hydrogen ions
  4. Bases - remove ____ ____ from a solution
    hydrogen ions
  5. water dissociates and releases _____ _____ (H+)and ______ _______ (OH-) but only a few at a time.
    • hydrogen ions
    • hydroxide ions
  6. Molecules that either take up hydrogen ions or give off hydroxide ions in a solution.
    Bases
  7. System that resists change in pH
    Buffer system
  8. An electrolyte whose cation is not hydrogen and whose anion is not hydroxide.
    salt
  9. What do buffers do?
    Remove or replace hydrogen ions in solution. Buffer systems maintain the pH of body fluids, they resist a change in pH
  10. Salts have _______ to do with pH
    Nothing
  11. Organic molecules have what in the molecule?
    carbon and hydrogen
  12. what are the 4 major organic compounds in all biological systems?
    • Carbohydrates
    • Lipids
    • Proteins
    • Nucleic Acids
    • These are all polymers
  13. What is a polymer?
    large molecules made up of repeating sub-units called monomers
  14. Low pH =
    high acidity
  15. low acidity =
    Hi pH

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