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/ˌfiːnəlˈæləniːn/ · noun
(biochemistry) An essential amino acid C₉H₁₁NO₂ found in most animal proteins; it is essential for growth; the inability to metabolize it leads to phenylketonuria; it is a constituent of aspartame..
Use phenylalanine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Phenylalanine means (biochemistry) An essential amino acid C₉H₁₁NO₂ found in most animal proteins; it is essential for growth; the inability to metabolize it leads to phenylketonuria; it is a constituent of aspartame..
Common synonyms include mul:Phe, mul:F.
The opposite depends on the specific sense.
Use phenylalanine where its definition matches the intended context.
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