TLS Online TPP Program

#Question id: 423


The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. feed-forward activation  

  2. negative cooperativity

  3. feedback inhibition

  4. competitive inhibition