Mitotic spindles from sea urchin eggs. YOYO®-1 iodide and Texas Red® goat anti–rat IgG (H+L) antibody.
Mitotic spindles isolated from sea urchin eggs that are labeled with YOYO®-1 iodide (Cat. no. Y3601) and a monoclonal anti–ß-tubulin antibody in conjunction with Texas Red® goat anti–rat IgG antibody (Cat. no. T6392). This image was generated by epifluorescence microscopy. Image contributed by John Murray, University of Pennsylvania.