10 - Enzyme inhibition and control

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9 Terms

1
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V0 vs [S] plot is:

sigmoidal

2
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Most allosteric enzyme have_______structure.

quaternary

3
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'Cooperativity'

binding by substrate to one active site affects subsequent binding at all other subunits

4
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Plots of rate vs [S] are sigmoidal due to:

subunit 'cooperativity'

5
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Binding of an activator stabilises:

active form (R form) of enzyme  

6
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Binding of an inhibitor stabilises:

inactive form (T form) of enzyme 

7
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What 2 molecules are allosteric activators and inhibitor respectively  

ADP / PEP

8
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PEP

phosphoenolpyruvate

9
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Key metabolic enzymes are usually:

allosteric