Associate Professor of Biology
Appalachian Fruit Research Station
Centers for Disease Control and Prevention
National Institutes of Health
Cells Alive!
Physiology Animation Player
Penn State Transfer Credit Evaluation
Plant Molecular Biology Reporter
Central European Journal of Biology
Malignant CHO K-1 cells. The rounded, refractile cells are undergoing mitosis. The doublets (two rounded cells together) are cells that have just completed mitosis.