The functioning of a particular pathway often depends not only on control enzymes in that pathway but

Question:

The functioning of a particular pathway often depends not only on control enzymes in that pathway but also on control enzymes of other pathways. What happens in the following pathways under the indicated conditions? Suggest what other
pathway or pathways might be influenced.
(a) High ATP or NADH concentration and the citric acid cycle.
(b) High ATP concentration and glycolysis.
(c) High NADPH concentration and the pentose phosphate pathway.
(d) High fructose-2,6-bisphosphate concentration and glu con-eo genesis.