Biochemistry › Gluconeogenesis Enzymes
Which enzyme(s) bypass the pyruvate kinase reaction of glycolysis in gluconeogenesis?
pyruvate carboxylase and phosphoenolpyruvate carboxykinase (PEPCK)
phosphoenolpyruvate carboxykinase (PEPCK) only
phosphoglycerate mutase and pyruvate carboxylase
pyruvate carboxylase only
fructose bis-phosphatase only
Which one of the following statements about PEP (phosphoenolpyruvate) synthesis is correct?
Pyruvate can be converted to PEP by a combination of reactions that use energy from two different types of nucleotide triphosphate.
Pyruvate can be converted to PEP by pyruvate kinase.
Pyruvate can be converted to PEP by a mutase.
Pyruvate is converted to PEP by the citric acid cycle.