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, and ...

Mitochondria (singular: mitochondrion) are visible with a light microscope but can't be seen in detail. Ribosomes are only visible with an electron microscope. Preparing cheek cell slides to view ...

A eukaryote is any cell or organism that possesses a clearly defined nucleus. Eukaryotic cells form the foundation of complex, multicellular life, including apple trees, mushrooms, fish and humans.