Almost all animals and plants are made up of cells. Animal cells have a basic structure. Below the basic structure is shown in the same animal cell, on the left viewed with the light microscope ...

The basic structure of a plant cell is shown below – the same plant cell, as viewed with the light microscope, and with the transmission electron microscope. Animal and plant cells have certain ...

This observation is explained by another key feature of stem cells that is shared between plants and animals, as explained below. The ability of stem cells to constantly generate new tissues has ...