Table 3.1 Densities of cell structures in sucrose

Structure Density (g/cm^3)
Golgi apparatus 1.06-1.10
Plasma membranes 1.16
Smooth endoplasmic reticulum 1.16
Intact oncogenic viruses 1.16-1.18
Mitochondria 1.19
Lysosomes 1.21
Peroxisomes 1.23
Plant viruses 1.30-1.45
Soluble proteins 1.30
Rhino- and enteroviruses 1.30-1.45
Nucleic acids, ribosomes 1.60-1.75
Glycogen 1.70

Cell Biology Laboratory Manual
Dr. William H. Heidcamp, Biology Department, Gustavus Adolphus College,
St. Peter, MN 56082 -- cellab@gac.edu