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If an enzyme inhibitor has an effect that is decreased when additional substrate is added, how is that inhibitor most likely functioning?

If an enzyme inhibitor has an effect that is decreased when additional substrate is added, how is that inhibitor most likely functioning?

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Enzyme inhibitors are substances which alter the catalytic action of the enzyme and consequently slow down, or in some cases,... View the full answer

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Enzyme inhibitors are substances which alter the catalytic action of the enzyme and consequently... View the full answer

5 comments
  • 1- Competitive inhibition occurs when the substrate and a substance resembling the substrate are both added to the enzyme. A theory called the "lock-key theory" of enzyme catalysts can be used to explain why inhibition occurs.
    • Anonymous-007
    • Apr 15, 2016 at 4:43am
  • Non-competitive inhibitors are considered to be substances which when added to the enzyme alter the enzyme in a way that it cannot accept the substrate.
    • Anonymous-007
    • Apr 15, 2016 at 4:44am
  • Substrate inhibition will sometimes occur when excessive amounts of substrate are present.
    • Anonymous-007
    • Apr 15, 2016 at 4:44am
  • Additional amounts of substrate added to the reaction mixture after this point actually decrease the reaction rate. This is thought to be due to the fact that there are so many substrate molecules competing for the active sites on the enzyme surfaces that they block the sites
    • Anonymous-007
    • Apr 15, 2016 at 4:44am
  • Hope, this helps you a lot, feel free to contact, thanks
    • Anonymous-007
    • Apr 15, 2016 at 4:44am

An enzyme inhibitor is a molecule that binds to an enzyme and decreases its activity. Since blocking an enzyme's activity can... View the full answer

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