Increased levels of fructose 26bisphosphate affect on PFK is

Increased levels of fructose 2,6-bisphosphate affect on PFK is an example of:

a) feedforward stimulation

b) acting directly on the catalytic sites of PFK

c) competitive inhibition

d) feedback inhibition

e) allosteric inhibition

Solution

PFK is an allosteric enzyme made and allosteric regulation  is by binding an effector molecule at a site other than the enzyme\'s active site.

Answer would be allosteric inhibition.