This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Deficiency of arginosuccinate synthase causes- \nSelect and explain. \nA. Citrullinemia, B. Hyperargininemia, C. Argininosuccinic aciduria, D. Type I hyperammonemia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., CitrullinemiaDisorders caused by genetic defects of urea cycle enzymesDisordersDefective enzymeProducts accumulatedHyperammonemia type-ICarbamoyl phosphate synthase-IAmmoniaHyperammonemia type-IIOrnithine transcarbamoylaseAmmoniaCitrullinemiaArgininosuccinate synthaseCitrullineArgininosuccinic aciduriaArgininosuccinate lyaseArgininosuccinateArgininemiaArginaseArginine", 'role': 'assistant'}]