Podcast
Questions and Answers
Which vitamin is required for pyruvate carboxylase?
Which vitamin is required for pyruvate carboxylase?
- Vitamin A
- Vitamin C
- Vitamin B7 (correct)
- Vitamin D
What is the product of the carboxylation of pyruvate by pyruvate carboxylase?
What is the product of the carboxylation of pyruvate by pyruvate carboxylase?
- Malate
- Oxaloacetate (correct)
- Acetyl-CoA
- Phosphoenolpyruvate
Why is OAA reduced to malate?
Why is OAA reduced to malate?
- OAA can't cross the mitochondrial membrane (correct)
- Malate is a more stable molecule
- Malate is required by PEP carboxykinase
- OAA is toxic to the cell
Which enzyme oxidatively decarboxylates oxaloacetate to phosphoenolpyruvate?
Which enzyme oxidatively decarboxylates oxaloacetate to phosphoenolpyruvate?
What is the role of avidin in biotin absorption?
What is the role of avidin in biotin absorption?
Which food source is a good source of avidin?
Which food source is a good source of avidin?
What is the consequence of biotin deficiency?
What is the consequence of biotin deficiency?
What is the function of ATP in the carboxylation of pyruvate?
What is the function of ATP in the carboxylation of pyruvate?
What is the fate of malate produced in the mitochondria?
What is the fate of malate produced in the mitochondria?
What is the final product of the oxidative decarboxylation of OAA?
What is the final product of the oxidative decarboxylation of OAA?
Which vitamin is required for pyruvate carboxylase?
Which vitamin is required for pyruvate carboxylase?
What is the product of the carboxylation of pyruvate by pyruvate carboxylase?
What is the product of the carboxylation of pyruvate by pyruvate carboxylase?
Why is OAA reduced to malate?
Why is OAA reduced to malate?
Which enzyme oxidatively decarboxylates oxaloacetate to phosphoenolpyruvate?
Which enzyme oxidatively decarboxylates oxaloacetate to phosphoenolpyruvate?
What is the role of avidin in biotin absorption?
What is the role of avidin in biotin absorption?
Which food source is a good source of avidin?
Which food source is a good source of avidin?
What is the consequence of biotin deficiency?
What is the consequence of biotin deficiency?
What is the function of ATP in the carboxylation of pyruvate?
What is the function of ATP in the carboxylation of pyruvate?
What is the fate of malate produced in the mitochondria?
What is the fate of malate produced in the mitochondria?
What is the final product of the oxidative decarboxylation of OAA?
What is the final product of the oxidative decarboxylation of OAA?
Which molecule is carboxylated to form oxaloacetate by pyruvate carboxylase?
Which molecule is carboxylated to form oxaloacetate by pyruvate carboxylase?
What is the fate of oxaloacetate produced by pyruvate carboxylase?
What is the fate of oxaloacetate produced by pyruvate carboxylase?
What is the role of PEP carboxykinase in the process of pyruvate carboxylation?
What is the role of PEP carboxykinase in the process of pyruvate carboxylation?
What is the relationship between avidin and biotin?
What is the relationship between avidin and biotin?
Why is it important to cook egg whites before consuming them?
Why is it important to cook egg whites before consuming them?
What is biotin also known as?
What is biotin also known as?
What drives the formation of the high-energy enzyme-biotin-CO2 intermediate in pyruvate carboxylation?
What drives the formation of the high-energy enzyme-biotin-CO2 intermediate in pyruvate carboxylation?
What is the end product of the oxidative decarboxylation of oxaloacetate by PEP carboxykinase?
What is the end product of the oxidative decarboxylation of oxaloacetate by PEP carboxykinase?
What happens when there is a lack of biotin in the body?
What happens when there is a lack of biotin in the body?
Where does the reduction of malate to oxaloacetate occur in the process of pyruvate carboxylation?
Where does the reduction of malate to oxaloacetate occur in the process of pyruvate carboxylation?
