Rate Limiting Steps Flashcards
1
Q
Glycolysis
A
PFK-1
activated when insulin dec cAMP so protein kinase A inactive - favors PFK2
2
Q
Gluconeogenesis
A
Fructose - 1,6 bisphosphate
When fasting glucagon inc cAMP to inc protein kinase A - favors fructose bisphosphatase 2
3
Q
TCA Cycle
A
Isocitrate DH
4
Q
Glycogenesis
A
Glycogen synthase
5
Q
Glycogenolysis
A
Glycogen phosphorylase
6
Q
HMP Shunt
A
Gluc- 6- phos DH (G6PD)
7
Q
De Novo Pyrimidine Synthesis
A
Carbomyl Phos Synthetase II
8
Q
De Novo Purine Synthesis
A
Glutamine - PRPP - amidotransferase
9
Q
Urea Cycle
A
Carbomyl Phos Synthetase I
10
Q
FA Synthesis
A
Acetyl CoA Carboxylase
11
Q
Ketogenesis
A
HMG CoA Synthase
12
Q
Cholesterol Synthesis
A
HMG CoA Reductase