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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
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
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Internal Structures of Prokaryotic Cells
- Cytoplasm: This is the gel-like fluid that the cell is filled with, inside the plasma membrane; liquid with all of the cellular organelles suspended within.
Page last updated: 10/2017
- 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 machines that carry out the genetic instructions of the cell.
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