Amino Acid Metabolism — Flashcards

Argininosuccinate may be broken down into _____ and fumarate via the enzyme argininosuccinase

Once in target tissues, the enzyme _____ converts T4 to T3 by removing one atom of iodine; a certain portion is also converted to reverse T3 (rT3) which is inactive

_____ may be combined with aspartate to form argininosuccinate via the enzyme argininosuccinate synthetase (requires 1 ATP)

A positive _____ test may help in the diagnosis of cystine kidney stones

Fumarylacetoacetate converts to _____ and Acetoacetate with the help of enzyme hydrolase

Methylmalonyl-CoA may be converted to _____ via the enzyme methylmalonyl-CoA mutase (with vitamin B12 as a cofactor)

The amino acids _____ and arginine are positively charged at body pH (basic)

In the liver, amino acids transfer their amino group to _____, forming glutamate and α-keto acids

The treatment for propionic acidemia is a low _____ diet that does not include valine, methionine, isoleucine, or threonine

Urea has two nitrogen molecules, one from _____ and one from aspartate