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Scanning electron micrographs of parental and V12-RacB cells. Cells were grown on glass coverslips and prepared for SEM after 2 days of growth in the absence of folic acid. (A) Parental cells have a thick center with protrusions at the cell edge. (B) V12-RacB cells have numerous irregular protrusions on the cell surface. (C) Some V12-RacB cells remain flattened on the surface and contain numerous protrusions at the cell edges. Bar, 5 μm.
