(A) Carbamoyl phosphate synthetase
(B) Ornithine transcarbamoylase
(C) N-acetyl glutamate synthetase
(D) N-acetyl glutamate hydrolase
Control of urea cycle involves the enzyme:
(A) Carbamoyl phosphate synthetase
(B) Ornithine transcarbamoylase
(C) Argininosuccinase
(D) Arginase
The enzyme carbamoyl phosphate synthetase requires?
(A) Mg++
(B) Ca++
(C) Na+
(D) K+
In urea synthesis, the amino acid functioning solely as an enzyme activator:
(A) N-acetyl glutamate
(B) Ornithine
(C) Citrulline
(D) Arginine
Most of the ammonia released from L-α- amino acids reflects the coupled action of transaminase and?
(A) L-glutamate dehydrogenase
(B) L-amino acid oxidase
(C) Histidase
(D) Serine dehydratase
The number of ATP required for urea synthesis is?
(A) 0
(B) 1
(C) 2
(D) 3
The enzymes of urea synthesis are found in?
(A) Mitochondria only
(B) Cytosol only
(C) Both mitochondria and cytosol
(D) Nucleus
The main site of urea synthesis in mammals is?
(A) Liver
(B) Skin
(C) Intestine
(D) Kidney