Fig. 11. Aggregate formation and compaction of CHO-5 cells in the presence of recombinant monomeric FN. CHO-5 cells were cultured in FN-depleted medium with 100 µg/ml of either monomeric (A) or dimeric (B) rat plasma FN. Note that aggregates failed to form in the presence of FN monomers (A). Bar, 1.0 mm.