Gluconeogenesis: Reactions
About the Lecture
The lecture Gluconeogenesis: Reactions by Kevin Ahern, PhD is from the course Carbohydrate Metabolism.
Included Quiz Questions
Which of the following is true of the reaction catalyzed by pyruvate carboxylase?
- It is a reaction that requires biotin.
- It is a reaction that uses GTP.
- It is a reaction that produces phosphoenolpyruvate (PEP).
- It is the backward reaction of pyruvate kinase.
- The reaction takes place in the cytoplasm.
Which of the following statements regarding the enzyme phosphoenolpyruvate carboxykinase (PEPCK) is NOT true?
- It is made in the heart.
- It requires a triphosphate in the reaction it catalyzes.
- It has one four-carbon substrate.
- It produces a gluconeogenesis intermediate.
- It undergoes regulation at the gene level.
Which of the following is true of fructose 1,6-bisphosphatase?
- It catalyzes a reaction that involves phosphate release.
- It requires ATP for catalysis.
- It involves phosphorylation of glucose-6-phosphate.
- It simply reverses the PFK reaction.
Which is true of glucose-6-phosphatase?
- It is found in the endoplasmic reticulum.
- It uses a phosphate in the reaction it catalyzes.
- It produces glucose from fructose-6-phosphate directly.
- It is found in the mitochondrion.
- It is the reversal of the hexokinase reaction.
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Author of lecture Gluconeogenesis: Reactions
Kevin Ahern, PhD
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