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Dictionary » T » Tyrosinase TyrosinaseDefinition noun A copper-containing oxidoreductase enzyme found in plant and animal tissues that catalyzes the oxidation of tyrosine into melanin and other pigments.
This enzyme is found in plants and animal tissues where it is involved in the production of brown and black pigments (melanin) through oxidation of tyrosine. The lack of tyrosinase activity is responsible for albinism.
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Results from our forumThe Fiber Disease... albino phenotype are all a result of mutations that occurred by the insertion of the transposable elements Tol1 (i1) or Tol2 (i4 and ib) into the tyrosinase gene (i locus) (42, 88, 89). Despite a current lack of understanding regarding the multiple insertions of these members of the hobo/Ac/ Tam ...
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apple browningApple contains iron and when the cut apple expose to air, the enzyme called "tyrosinase" helps to oxidize and turn apple in brown (brown colour is response to reaction occured). However, the apple dipped with lemon juice or sulphur dioxide prevents this reaction ...
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