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Uptake of [14C]bicarbonate in air-grown Synechocystis under PSI and PSII light. Synechocystis cells grown under white light (dark gray bar) were illuminated with either PSII light (white bars) or PSI light (light gray bars) for 1 and 6 h, and the rate of bicarbonate uptake was measured as described in “Materials and Methods.” Error bars represent sd based on mean values of four independent measurements.
