"Version: 20190601"--Title page verso.Includes bibliographical references.1. Size and shape of protein molecules at the nm level determined by sedimentation, gel filtration and electron microscopy -- 1.1. Introduction -- 1.2. How big is a protein molecule? -- 1.3. How far apart are molecules in solution? -- 1.4. The sedimentation coefficient and frictional ratio. Is the protein globular or elon…