A. Resolution and magnification animal Figure 3-1. Resolving power. Sizes 10 um of cells and their components drawn on a logarithmIc scale, indicating the range of objects that can be readily resolved by the naked eye and in the light and electron 100mm virus microscopes. The following units of length are commonly employed in globular microscopy: um(micrometer)=10 protein 6 mnm(nanometer)=10-9m A (Angstrom unit)=10-10 m molecule atom 0.1nrFigure 3-1. Resolving power. Sizes of cells and their components drawn on a logarithmic scale, indicating the range of objects that can be readily resolved by the naked eye and in the light and electron microscopes. The following units of length are commonly employed in microscopy: µm (micrometer) = 10- 6 m nm (nanometer) = 10-9 m Å (Ångström unit) = 10-10 m