Fig. 3

The morphological changes of E. gracilis cells under different pH values. Morphology of algae cells at pH: a 3.5, b 8.5, and c > 10. The scale bar represents 20 μm
The morphological changes of E. gracilis cells under different pH values. Morphology of algae cells at pH: a 3.5, b 8.5, and c > 10. The scale bar represents 20 μm