Pathway Overview and Reactions – Part 2
About the Lecture
The lecture Pathway Overview and Reactions – Part 2 by Kevin Ahern, PhD is from the course Carbohydrate Metabolism. It contains the following chapters:
- Pathway Overview and Reactions Part 2
- Pathway Flexibility
Included Quiz Questions
Which statement regarding transketolase is true?
- It requires thiamine pyrophosphate to function.
- It catalyzes the transfer of 1-carbon units.
- Its action is necessary for gluconeogenesis.
- It doesn't require a coenzyme to function.
- Its activity is decreased in vitamin B12 deficiency.
Which statement regarding transaldolase is true?
- It catalyzes the transfer of 3-carbon units.
- It catalyzes the transfer of 2-carbon units.
- It requires thiamine pyrophosphate (TPP).
- It is an enzyme of the oxidative phase of the pentose phosphate pathway.
- It links the pentose phosphate pathway to the citric acid cycle.
Which condition results from a transaldolase enzyme deficiency?
- Liver cirrhosis
- Malaria
- Anemia
- Reactive oxygen species sensitivity
- Acute hemolytic disease
Which compounds are the connectivity points for glycolysis or gluconeogenesis?
- Glyceraldehyde-3-phosphate and fructose-6-phosphate
- Ribose-5-phosphate and glucose-6-phosphate
- Ribulose-5-phosphate and glucose-6-phosphate
- Xylulose-5-phosphate and ribose-5-phosphate
- Sedoheptulose-7-phosphate and erythrulose-4-phosphate.
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Author of lecture Pathway Overview and Reactions – Part 2
Kevin Ahern, PhD
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Very insightful and brilliant explanation. I learned very much in this lecture! School professor just skip much of the importance in PPP!
