Podcast
Questions and Answers
What is the primary role of the mitochondrial pyruvate transporter in the process described?
What is the primary role of the mitochondrial pyruvate transporter in the process described?
- To export malate from the mitochondria to the cytosol
- To transport pyruvate from the cytosol into the mitochondria (correct)
- To convert pyruvate to oxaloacetate
- To generate malate from oxaloacetate
What is the purpose of the reaction catalyzed by pyruvate carboxylase?
What is the purpose of the reaction catalyzed by pyruvate carboxylase?
- To generate NADH from mitochondrial NADH
- To convert pyruvate to oxaloacetate (correct)
- To transport malate from the mitochondria to the cytosol
- To convert oxaloacetate to phosphoenolpyruvate
What is the purpose of the malate/α-ketoglutarate carrier in the process described?
What is the purpose of the malate/α-ketoglutarate carrier in the process described?
- To generate NADH from mitochondrial NADH
- To convert oxaloacetate to phosphoenolpyruvate
- To transport malate from the mitochondria to the cytosol (correct)
- To transport pyruvate from the cytosol into the mitochondria
Which of the following is NOT a precursor for gluconeogenesis in the process described?
Which of the following is NOT a precursor for gluconeogenesis in the process described?
What is the purpose of the reaction catalyzed by phosphoenolpyruvate carboxykinase?
What is the purpose of the reaction catalyzed by phosphoenolpyruvate carboxykinase?
Which of the following statements about gluconeogenesis is incorrect?
Which of the following statements about gluconeogenesis is incorrect?
Which of the following is not a key enzyme specific to gluconeogenesis?
Which of the following is not a key enzyme specific to gluconeogenesis?
In which of the following situations is gluconeogenesis required?
In which of the following situations is gluconeogenesis required?
What is the first bypass reaction in gluconeogenesis?
What is the first bypass reaction in gluconeogenesis?
Which of the following is not a reason for the continuous supply of glucose required by the body?
Which of the following is not a reason for the continuous supply of glucose required by the body?
Flashcards
Mitochondrial pyruvate transporter role?
Mitochondrial pyruvate transporter role?
Transports pyruvate from the cytosol to the mitochondria.
Pyruvate carboxylase function?
Pyruvate carboxylase function?
Converts pyruvate to oxaloacetate.
Malate/α-ketoglutarate carrier function?
Malate/α-ketoglutarate carrier function?
Moves malate out of the mitochondria to the cytosol.
Gluconeogenesis precursor NOT glycerol?
Gluconeogenesis precursor NOT glycerol?
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PEP carboxykinase function?
PEP carboxykinase function?
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Gluconeogenesis enzyme similarity to glycolysis?
Gluconeogenesis enzyme similarity to glycolysis?
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Gluconeogenesis-specific enzyme?
Gluconeogenesis-specific enzyme?
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When is gluconeogenesis required?
When is gluconeogenesis required?
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First gluconeogenesis bypass reaction?
First gluconeogenesis bypass reaction?
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Glucose need - adipose tissue?
Glucose need - adipose tissue?
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