Friday, February 12, 2010

Which statement about allosteric inhibition of enzymes is FALSE?

1. Large enzymes containing multiple units each with an active site are controlled by allosteric inhibition.


2. Allosteric inhibition involves the same molecule binding to both the allosteric site and the active site.


3.When one subunit of an enzyme is active the rest of the subunits will be active.


4.When an inhibitor is bound to one allosteric site, all of the enzyme's subunits will not be active.


5. In allosteric inhibition, inhibitors bind away from the active sites of the enzyme. Which statement about allosteric inhibition of enzymes is FALSE?
2 is false....if that were true then your enzymes would never know whether to inhibit or proceed with the reaction since it would be the same stimulus for both and you would always have a 50% chance of producing the products when you need them...if that was the case none of us would be alive right now.

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