According to the College of DuPage, any of the various cells that make up plants, animals, fungi and protists are eukaryotic. This includes the skin cells of humans or the xylem cells of trees. Eukaryotic cells are more ... More »

A eukaryote is any organism whose cells contain a nucleus and various other membrane bound intracellular compartments. Therefore, by definition, humans are an example of a eukaryotic organism. More »

Bacteria are some of the best examples of prokaryotic organisms. These organisms do not have a membrane-bound nucleus and lack the well-distinguished cell features found in eukaryotes. More »

Protists may be plants, animals or fungi: amoeba, protozoa and giardia are all examples. Despite falling into the same class of protists, the organisms that comprise this class vary significantly in appearance and biolog... More »

Reproductive cells in animals, called gametes, are examples of haploid cells. Both male and female reproductive cells, known respectively as sperm and egg cells, are haploid in that they each possess one copy of each typ... More »

The tonoplast is a membrane that surrounds the vacuole, or organelle that is present in the cells of plants and fungi. The tonoplast is also known as the vacuolar membrane. More »

The exact number of cells in fungi isn't known, but fungi are multicellular, meaning they are made of more than one cell. Most fungi with single cells are in the yeast family and are used in baking and bread making. More »