AMMRF, UNIVERSITY OF SYDNEY / SCIENCE PHOTO LIBRARY AMMRF, UNIVERSITY OF SYDNEY / SCIENCE PHOTO LIBRARY
Onion root tip. Coloured transmission electron micrograph (TEM) of a section through tissue from an onion root tip, showing cells at various stages of cell division. The cell walls are shown in yellow, and condensed chromatin (genetic material in the cell nucleus) in blue-green. Magnification: x3030 when printed at 10 centimetres across.
Model release not required. Property release not required.