The biochemical process of removing acetyl groups from molecules, particularly important in gene regulation.
From deacetylate + -ion (noun suffix), creating the abstract noun for the process. A technical term from 1960s molecular biology.
Deacetylation was a huge discovery—it showed that genes aren't just 'on' or 'off' but can be finely tuned by chemical modifications, revolutionizing how we understand disease.
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