A typical bacterium is about 1μm in length. This is about the same size as a mitochondrion.Ribosomes are about 18-22nm in diameter.
A water molecule is 0.1nm in diameter and the width of a human hair is 100μm.
A water molecule is 0.1nm in diameter and the width of a human hair is 100μm.
| water molecule | 0.1nm |
| glucose molecule | 1nm |
| antibody | 10nm |
| DNA double helix | 2nm |
| ribosome | 18-22nm |
| width of human hair | 100μm |