(A) Metabolise cysteine
(B) Convert cystine into cysteine
(C) Incorporate cysteine into proteins
(D) Reabsorb cystine in renal tubules
Category: Biochemistry Mcqs
Biochemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Biochemistry.
Maple syrup urine diseases is an inborn error of metabolism of?
(A) Sulphur-containing amino acids
(B) Aromatic amino acids
(C) Branched chain amino acids
(D) Dicarboxylic amino acids
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