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    Gram Stain of Prokaryote Bacteria Staphylococcus epidermidis

    Prokaryotic Cell
    Parts, Functions & Diagrams of Prokaryotes


    Single-celled prokaryotes are microbes that include bacteria and their bacteria-like cousins Archaea. Prokaryotic cells are much simpler than the more evolutionarily advanced 
    eukaryotic cell

    Whereas eukaryotic cells have many different functional compartments, divided by membranes, prokaryotes only have one membrane (the plasma membrane) enclosing all of the cell’s internal contents. 

    If a eukaryotic cell is analogous to a big house with many different rooms, a prokaryotic cell is like a one-room, studio apartment.

    Article Summary: Prokaryotes are simple, single-celled, yet remarkably successful organisms. Here's an overview of the structures and functions of prokaryotic cells.
    Prokaryotic Cell Structures, Functions & Diagrams
    Continued ... 
    External Cell Structures
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    ​Page last updated: 10/2017
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    Prokaryotic Cell Diagram
    to help you中国福利彩票下载安装αpp remember prokaryotes parts and pieces.
    Labeled Drawing of Prokaryotic Cell
    • Cytoskeleton: It's a relatively recent scientific discovery that rod-shaped bacteria and Archaea possess cytoskeletal proteins that function similarly to the cytoskeleton of eukaryotic cells. This scaffolding provides structural support to the cell and plays a role in cell division.

    • Ribosomes: All cells, both prokaryotic and eukaryotic, have multiple ribosomes within. Ribosomes are the tiny protein-making 中国福利彩票下载安装αpp that carry out the genetic instructions of the cell.
    See all related teaching materials on the