Light microscopy
Microscopy in cell biology · Biology
Animal cell explorer
Interactive 3DPeek inside an animal cell — pick an organelle to highlight it and learn its job.
Controls
Drag the sliders or type a value — the simulation updates live.
Study notes
Example: To see onion cells, peel the thin skin, place it on a slide with a drop of water, add safranin stain, cover with a coverslip, and view first at 40× then 400×. The pink-stained walls and nuclei pop into view — unstained, the cells would be nearly invisible.