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Nucleus and cell sizes of phytoplankton cells (A) D. tenuis, (B) M. arctica, (C) A. malmogiense, (D) K. foliaceum, (E) Monoraphidium sp., and (F) C. pyrenoidosa were compared using microscope for visualization. DNA of the cells was stained with DAPI. Scale bars, 20 μM.
