(A) Electron micrograph of a human cell section showing three mitochondria. (B) Scheme of the protein complexes that form the ETS, showing the mitochondrial membranes in blue and red; NADH ...

Like the plasma membrane, organelle membranes ... chromatin within the nucleus. An electron micrograph therefore provides an excellent blueprint of a cell's inner structures.

Molecules and ions pass in and out of the cell through tiny openings in the cell wall. Although the holes are too small to be seen with an electron microscope, their size has been measured ...

Light and electron ... cell division, the researchers observed increased mechanical stiffening of the cell division site. The researchers hypothesize this stiffening could be due to localized ...

Below the basic structure is shown in the same animal cell, on the left viewed with the light microscope, and on the right with the transmission electron ... Cell membrane Allows gases and water ...