Rate limitting steps key enzymes----

1:Cholesterol syntheis:- HMG CoA Reductase
2:Ketone body synthesis:- HMG CoA Synthatase
3:Gluconeogenesis:- Pyruvate carboxylase
4:Glycogenesis:- Glycogen synthetase
5:Glycogenolysis:- glycogenphosphorylase
6:Glycolysis:- PFK-1
7:TCA cycle:- Isocitrate dehydogenase
8:Fatty acid synthesis:- Acetyl CoA Carboxylase
9:Fatty acid oxidation:- Carnitine acyltransferaseI
10:In Bile Acid Synthesis:- 7Alpha hydroxylase
11:Urea cycle:- Carbamoyl phosphate Synthetase I
12: HMP shunt:- G6PD
13: De novo pyrimidine synthesis:- Carbamoyl phosphate synthetase II
14:- De novo Purine synthesis:- Glutamine-PRPPamidotransferase