Podcast
Questions and Answers
What is the purpose of transamination?
What is the purpose of transamination?
- To collect amino groups to form glutamate (correct)
- To produce NH3
- To form oxaloacetate
- To break down glutamate
Which enzyme is responsible for the formation of ammonia from glutamate?
Which enzyme is responsible for the formation of ammonia from glutamate?
- Pyridoxal phosphate
- Serine deaminase
- Alanine transaminase
- Glutamate dehydrogenase (correct)
Which vitamin derivative is the prosthetic group of all transaminases?
Which vitamin derivative is the prosthetic group of all transaminases?
- Vitamin B6 (Pyridoxine) (correct)
- Vitamin B12 (Cobalamin)
- Vitamin C
- Vitamin D
Where does the oxidative deamination of glutamate occur?
Where does the oxidative deamination of glutamate occur?
Which of the following is a product of the reaction: Ala + KG → Pyruvate + Glutamate?
Which of the following is a product of the reaction: Ala + KG → Pyruvate + Glutamate?
Why is it important to prevent NH4+ buildup in tissues?
Why is it important to prevent NH4+ buildup in tissues?
What is the main function of transaminases or amino transferases?
What is the main function of transaminases or amino transferases?
During transamination, what happens to the α-amino group of an amino acid?
During transamination, what happens to the α-amino group of an amino acid?
Which process involves the amination of α-ketoglutarate?
Which process involves the amination of α-ketoglutarate?
What is the final excretory group formed when amino groups are not re-used?
What is the final excretory group formed when amino groups are not re-used?
Which enzyme promotes the removal of the amino group during transamination?
Which enzyme promotes the removal of the amino group during transamination?
What happens to the α-keto acid during transamination?
What happens to the α-keto acid during transamination?
What is the primary function of transaminases in amino acid metabolism?
What is the primary function of transaminases in amino acid metabolism?
Which enzyme converts alanine to pyruvate?
Which enzyme converts alanine to pyruvate?
In amino acid metabolism, where do most amino groups get funneled into?
In amino acid metabolism, where do most amino groups get funneled into?
Which enzyme must produce glutamine in order to lead to the urea cycle?
Which enzyme must produce glutamine in order to lead to the urea cycle?
What is the final product of the reaction catalyzed by Glutamate Dehydrogenase?
What is the final product of the reaction catalyzed by Glutamate Dehydrogenase?
Which compound is a common amino group donor to the urea cycle?
Which compound is a common amino group donor to the urea cycle?
