<prompt> The activity of pyruvate carboxylase is dependent upon the positive allosteric effectorSuccinateAMPIsocitrateAcetyl Co A  <response>: Pyruvate carboxylase is an allosteric enzyme. Acetyl CoA is an activator of pyruvate carboxylase so the generation of oxaloacetate is ored when acetyl CoA level is sufficiently high.Ref: DM Vasudevan, 7th edition, page no: 120 