Using the S⇔D calculator button ... Practise working out the surface area and volume of cylinders with this quiz. You may need a pen and paper to help you with your answers.

Note that as the radius of a cell increases from 1x to 3x (left), the surface area increases from 1x to 9x, and the volume increases from 1x to 27x. Eukaryotic cells are more complex than ...