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Figure 3–23. Cell coenobia of Chlorella vulgaris. x 800 (Nicolov, 1990). a — 2-cell coenobium; b — 3-cell coenobium; c — 4-cell coenobium; d — 5- cell coenobium; e — 6-cell coenobium; f — 7-cell coenobium; g — 8-cell coenobium; h — 9-cell coenobium; i — 11-cell coenobium; j — 15-cell coenobium; k — 16-cell coenobium; l — two cells in the course of copulation
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