This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Amino Acid Metabolic Disorder, Subject name: Biochemistry
Albinism is due to deficiency of - 
Select and explain. 
A. Homogentisate oxidase, B. Tyrosinase, C. Phenylalanine hydroxylase, D. Tyrosine transaminase
B: Tyrosinase
Answer: B: Tyrosinase 
Explanation: Ans. is 'b' i.e., Tyrosinase o Tyrosinase deficiency results in albinism.Metabolic diseaseEnzyme deficientMaple syrup urine diseaseMethyl-melonic aciduriaSweaty feet odor in bodyTyrosinemia I (Tyrosinosis)Tyrosinemia IINeonatal tyrosinemiaAlbinismBranched chain ketoacid dehydrogenaseMethyl-malonyl CoA mutase (isomerase)Isovaleryl-CoA dehydrogenaseFumarylacetoacetate hydroxylaseTyrosine transaminase (Tyrosine aminotransferase)Hydroxyphenyl pyruvate hydroxylaseTyrosinaseAlkaptonuriaPhenylketonuriaOrotic aciduriaHomocystinuriaLesh-Nyhan syndrome CystinosisHomogentisate oxidasePhenylalanine hydroxylaseOMP decarboxylaseCystathionine synthataseComplete deficiency of enzyme HGPRTCystine reductase