proteins and mutations

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Author:
tah5
ID:
274259
Filename:
proteins and mutations
Updated:
2014-05-13 10:03:48
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tah
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Description:
proteins and mutations
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  1. what are proteins made up of?
    • long chains of amino acids joined together.
  2. what do enzymes do?
    they speed up reactions.
  3. what are the different functions of proteins?
    • structural proteins-to build cells and tissues.
    • hormones-carry messages to control reactions.
    • enzymes.
  4. what is an enzyme substrate also known as?
    lock and key mechanism.
  5. explain how the lock and key mechanism works.
    the substrate fits into the active site of the enzyme, this forms and enzyme substrate complex which breaks down the substrate into two products.
  6. how can mutations occur?
    • spontaneously
    • radiation
    • chemicals

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