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Pronunciation varies by accent · noun
(biochemistry) A peptide, derived from a protein, that can penetrate a cell wall.
Use penetratin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Penetratin means (biochemistry) A peptide, derived from a protein, that can penetrate a cell wall.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use penetratin where its definition matches the intended context.
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