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  • Title: Ultraviolet inactivation of Euglena chloroplasts. I. Effect of light intensity of culture.
    Author: Cook JR.
    Journal: Biophys J; 1972 Nov; 12(11):1467-73. PubMed ID: 4629868.
    Abstract:
    Target numbers for ultraviolet (UV) inactivation of chloroplast replication in Euglena gracilis were about 45 when cells were grown in the dark and about 150 when grown in the light (700 or 1200 foot-candles [ft-cd]). Total cell DNA was about 25% greater in the light-grown cells.
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