Drag to turn the cell, pinch or scroll to zoom. The arrow keys turn it and plus and minus zoom. Tab to the list of parts, then press Enter to learn about one. In the quiz, press Enter on a part to pick it up, use the arrow keys to choose a spot in the cell, then press Enter to place it.
This page needs WebGL to draw the cell in 3D. Choose a part from the list to read about it.
Every part is in the right place.
Keys. 1 animal cell, 2 plant cell, E explore, Q quiz, G reading level, S spin, L labels, X pull apart, V reset view, T tour, R reset, P present. The arrow keys turn the cell, plus and minus zoom, Enter chooses or places, Escape lets go.