Plant cells without walls, known as protoplasts, are very fragile, and it has been difficult to keep them alive under a ...

The best light microscope can show details that are 0.2µm apart and need a magnification of roughly x1500 so that our eyes can see it - this allows us to see larger cell structures. Electron ...

Just like our pupils, which react to varying degrees of light exposure with dilation or constriction, organelles in plant ...

There's three types of microscope: light, like this one here, and two types of electron microscopes ... no bigger than a grain of rice. Plant cells crammed with chloroplasts.

With the invention of the microscope ... electron microscope, which allowed identification of synapses between neurons 21. When the nervous system was also found to be made up of independent units ...