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Hexokinase and pyruvate kinase activities during R. palmarum embryogenesis. The hexokinase (A) and pyruvate kinase (B) activities were measured in egg homogenates on different days of embryo development. The β-NADH production or consumption was monitored at 340 nm. The activities were assayed as described in Materials and Methods. Results are expressed as mean ± SD for three independent determinations. * P < 0.05 versus time 0; ** P < 0.01 versus time 0.
