What is the name of the enzyme that converts oxaloacetate to phosphoenolpyruvate (PEP)
PEPCK
True or False: Gluconeogenesis is the complete reverse of glycolysis.
False, While many steps are shared, gluconeogenesis bypasses three irreversible steps of glycolysis using different enzymes.
Which enzyme is the first to bypass an irreversible step of glycolysis, converting pyruvate into oxaloacetate?
Pyruvate Carboxylase
Which organ is the main site for gluconeogenesis in the body, especially during fasting?
A) Muscle
B) Brain
C) Liver
D) Heart
Liver
Which of the key gluconeogenesis enzymes is regulated allosterically by acetyl-CoA?
Pyruvate carboxylase
Which of the following CANNOT be used as a precursor for gluconeogenesis?
A) Lactate
B) Glycerol
C) Fatty acids (except for the glycerol backbone)
C) Fatty acids (except for the glycerol backbone)