Supply + Removal Of Amino Groups

Question 1

What is the preferred pathway for gluconeogenesis?

Answer 1

Alanine

Question 2

What enzyme is involved in the Alanine <—> pyruvate?

Answer 2

SGPT (AKA ALT) enzyme

Question 3

What is the function of Arginine?

Answer 3

Urea cycle in liver
Vasodilation

Question 4

Urea is excreted in ____. In the blood it’s called ____. Where is it made?
What rxn is Arginine involved in for this?

Answer 4

Kidney
BUN
Liver
Arg —> Ornithine —> Citrulline —> Arginosuccinate —> (back to A)

Question 5

This arginine rxn creates NO (nitric oxide). What does NO function in?

Answer 5

Arg —> Citrulline
Vasodilation

Question 6

What 2 AAs supply amino group for urea cycle? Where are these AAs found in?

Answer 6

Aspartic Acid AKA aspartate/Asparagine; (SGOT AKA AST)
Glutamic Acid AKA glutamate/Glutamine (SGPT enzyme)
DNA + RNA

Question 7

What rxn results in Glutamine? Where does it occur?

Answer 7

Glutamate + ammonia
Brain + lung

Question 8

What is Glutamine the preferred fuel for? What can it be made into?

Answer 8

Intestines + WBCs; can be made into glucosamine