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Pronunciation: fo'to-re-ak'ti-va'shun

Definition: Activation by light of something or of some process previously inactive or inactivated; pyrimidine dimers, formed in polynucleic acids by the action of UV light, can be monomerized by UV light of a different wavelength through DNA photolyase.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.