3. Enzymology

Allosteric Control — Quiz

Test your understanding of allosteric control with 5 practice questions.

Practice Questions

Question 1

Which experimental observation would specifically support the Koshland–Némethy–Filmer sequential model of allostery over the Monod–Wyman–Changeux model?

Question 2

What structural feature of allosteric enzymes allows integration of multiple metabolic signals?

Question 3

In the Monod–Wyman–Changeux model, binding of a heterotropic inhibitor that preferentially binds the tense (T) state has which effect on the allosteric constant L (=[T]/[R] in the absence of ligand)?

Question 4

Which term describes the substrate concentration at which an allosteric enzyme with sigmoidal kinetics reaches half of its maximal velocity?

Question 5

On a Hill plot of $\log\bigl[Y/(1-Y)\bigr]$ versus $\log\bigl[L\bigr]$ for an allosteric enzyme, what does the slope represent?