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Some enzymes are good, some act poorly what are charateristics of a good enzyme?

  1. Feb 4, 2010 #1
    As in Title, help much appreciated!! thanks
     
  2. jcsd
  3. Feb 4, 2010 #2
    Re: Some enzymes are good, some act poorly.. what are charateristics of a good enzyme

    An enzyme that betters the chance of an organism surviving.
     
  4. Feb 4, 2010 #3
    Re: Some enzymes are good, some act poorly.. what are charateristics of a good enzyme

    Do you mean that some are fast and some are slow? Enzymes have evolved to maintain a balance with a whole lot of other enzymes. Some are slow because they need to act as a bit of a bottleneck to prevent too much of a particular product being generated, or too much of a molecule being consumed too quickly.

    Some need to act very quickly to prevent buildup of a product eg carbonic anhydrase is an extremely fast enzyme that converts CO2 to HCO3-.

    Additionally, some enzymes are very specific and act on one substrate only, whereas some are promiscuous and can act on a range of different substrates. Variety is the spice of life!

    Hope this helps.

    Cheers,

    FM
     
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