This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'In a person suffering from phenyl ketonuria, which of the following should be restricted in diet? \nSelect and explain. \nA. Fat, B. Protein, C. Glycine, D. Glutamate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Phenylalanine is an essential amino acid. Deficiency of Pheny alanine hydroxlase os cause for the phenylketonuia. Early detection is very impant. About 5 units of IQ are lost for each 10-week delay in staing the treatment. The treatment is to provide a diet containing low phenylalanine.Food based on tapioca 9cassava0 will have low phenyl alanine content. The special diet is to be continued during the first decade of life. REF :DM VASUDEVAN TEXTBOOK ;7th EDITION;Page no ;237.', 'role': 'assistant'}]