(A) Sulphur-containing amino acids
(B) Aromatic amino acids
(C) Branched chain amino acids
(D) Dicarboxylic amino acids
Tag: Biochemistry Multiple Choice Questions
Daily excretion of nitrogen by an adult man is about?
(A) 15–20 mg
(B) 1.5–2 gm
(C) 5–10 gm
(D) 15–20 gm
ATP is required in following reactions of urea cycle:
(A) Synthesis of carbamoyl phosphate and
citrulline
(B) Synthesis of citrulline and argininosuccinate
(C) Synthesis of argininosuccinate and arginine
(D) Synthesis of carbamoyl phosphate and
argininosuccinate
The following enzyme of urea cycle is present in cytosol:
(A) Argininosuccinic acid synthetase
(B) Argininosuccinase
(C) Arginase
(D) All of these
Cytosolic and mitochondrial carbamoyl phosphate synthetase have the following similarity:
(A) Both use ammonia as a substance
(B) Both provide carbamoyl phosphate for urea
synthesis
(C) Both require N-acetylglutamate as an
activator
(D) Both are allosteric enzymes
Carbamoyl phosphate required for urea synthesis is formed in?
(A) Cytosol
(B) Mitochondria
(C) Both (A) and (B
(D) None of these
The major site of urea synthesis is?
(A) Brain
(B) Kidneys
(C) Liver
(D) Muscles
Ammonia is transported from muscles to liver mainly in the form of?
(A) Free ammonia
(B) Glutamine
(C) Asparagine
(D) Alanine