Podcast
Questions and Answers
Which complex is responsible for transporting pyruvate into the mitochondria and converting it to Acetyl CoA?
Which complex is responsible for transporting pyruvate into the mitochondria and converting it to Acetyl CoA?
- Dihydrolipoyl dehydrogenase
- Pyruvate decarboxylase
- Dihydrolipoyl transacetylase
- Pyruvate dehydrogenase complex (correct)
Which coenzyme is derived from thiamin in the process of converting Pyruvate to Acetyl CoA?
Which coenzyme is derived from thiamin in the process of converting Pyruvate to Acetyl CoA?
- FAD(H2)
- Thiamin Pyrophosphate (correct)
- Coenzyme A
- Lipoic acid
What happens to Acetyl CoA when ATP is needed?
What happens to Acetyl CoA when ATP is needed?
- It activates fatty acid synthesis
- It enters into citric acid (correct)
- It is converted to glucose
- It inhibits Pyruvate dehydrogenase
What occurs in the regulation of pyruvate metabolism between meals?
What occurs in the regulation of pyruvate metabolism between meals?
During the well-fed state, what happens to Acetyl CoA under the influence of insulin?
During the well-fed state, what happens to Acetyl CoA under the influence of insulin?
Which enzyme activates gluconeogenesis and inhibits PDH in the regulation between meals?
Which enzyme activates gluconeogenesis and inhibits PDH in the regulation between meals?
Which enzyme complex uses thiamine in a way similar to pyruvate dehydrogenase?
Which enzyme complex uses thiamine in a way similar to pyruvate dehydrogenase?
What is the main cause of thiamine deficiency?
What is the main cause of thiamine deficiency?
Which element inhibits pyruvate dehydrogenase and α-ketoglutarate dehydrogenase?
Which element inhibits pyruvate dehydrogenase and α-ketoglutarate dehydrogenase?
Where do all enzymes of the citric acid cycle reside?
Where do all enzymes of the citric acid cycle reside?
Which enzyme of the citric acid cycle is bound to the inner mitochondrial membrane?
Which enzyme of the citric acid cycle is bound to the inner mitochondrial membrane?
What is the total ATP yield from one molecule of acetyl CoA in the citric acid cycle?
What is the total ATP yield from one molecule of acetyl CoA in the citric acid cycle?
What are the main factors regulating the citric acid cycle?
What are the main factors regulating the citric acid cycle?
Which molecule inhibits isocitrate dehydrogenase in the citric acid cycle?
Which molecule inhibits isocitrate dehydrogenase in the citric acid cycle?
What happens to the citric acid cycle when oxygen levels decrease?
What happens to the citric acid cycle when oxygen levels decrease?
