Take the following list of eight cells, or components of cells, and: (a) list them in order from largest to smallest; (b) say whether each is best viewed with the naked eye, light microscope, electron microscope, or atomic force microscope; (c) give an approximate size with the appropriate units (micometers, nanometers, etc.).

Here is the list: E. coli, amino acid alanine, ribosome, yeast, red blood cell, ligase enzyme, virus.