BIO 103-01 Prokaryotes vs Eukaryotes

Plasma Membrane

found at the cell boundary; seperates cell contents from external environment; controls exchanges of material between inside of cell and environment

Cytoplasm

found inside the cell; jellylike mixture containing intracellular components

DNA

found inside cell; the hereditary material of cells

Prokaryotes

unicellular organisms with a simple cell structure; lacks membrane bound organelles and nucleus; genetic material (DNA) is not enclosed in a nuclear membrane; it's typically a single, circular chromosome located in a region called the nucleoid.

_______ & ________ are the smallest and most metabolically diverse forms of life in the biosphere

bacteria; archaea

Flagellum

A long, whiplike structure that helps prokaryotes to move

Ribosomes

Large protein + RNA complexes upon which new proteins are made

Eukaryotes

unicellular or multicellular with complex cell strucutres; possesses a true nucleus and various membrane bound organelles; all animals, fungi, plants and protist