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2025-11-22T10:58:12Z

Article written and Venn diagram created.

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== Eukaryotic Cell vs. Prokaryotic Cell ==
All life is composed of cells, which are categorized into two primary types: prokaryotic and eukaryotic. Organisms with prokaryotic cells, such as bacteria and archaea, are known as prokaryotes.<ref name="ref1" /><ref name="ref2" /> Organisms with eukaryotic cells, including plants, animals, fungi, and protists, are called eukaryotes.<ref name="ref1" /><ref name="ref3" /> The fundamental difference between these two cell types is the presence of a membrane-bound nucleus and other specialized compartments called organelles in eukaryotes, which are absent in prokaryotes.<ref name="ref4" /><ref name="ref5" />

While both cell types share some core components necessary for life, such as a plasma membrane, cytoplasm, ribosomes, and DNA, their complexity and organization differ significantly.<ref name="ref1" /> Eukaryotic cells are generally larger and more structurally complex, with various organelles that perform specific functions, leading to greater compartmentalization and efficiency.<ref name="ref5" />

=== Comparison Table ===
{| class="wikitable"
|-
! Feature !! Prokaryotic Cell !! Eukaryotic Cell
|-
| '''Typical Organisms''' || Bacteria, Archaea<ref name="ref1" /> || Protists, Fungi, Plants, Animals<ref name="ref1" />
|-
| '''Size''' || Generally smaller (0.1–5.0 µm) ||<ref name="ref1" /> Generally larger (10–100 µm)
|-
| '''<ref name="ref1" />Nucleus''' || Absent; genetic material is in a nucleoid region || Present;<ref name="ref4" /> enclosed by a nuclear membrane
|-
| '''<ref name="ref4" />DNA Structure''' || Single, circular chromosome (typically) || Multiple, linear chromosomes with histones
|-
| '''<ref name="ref5" />Membrane-Bound Organelles''' || Absent || Present<ref name="ref1" /> (e.g., mitochondria, endoplasmic reticulum, Golgi apparatus)
|-
| '''Ribosomes''' || Smaller (70S) || Larger<ref name="ref5" /> (80S)
|-
| '''<ref name="ref5" />Cell Wall''' || Chemically complex (e.g., peptidoglycan in bacteria) || Chemically<ref name="ref1" /> simple when present (e.g., cellulose in plants, chitin in fungi)
|-
| '''Cell Division''' || Binary fission || Mitosis<ref name="ref5" /> and meiosis
|}

[[File:Venn_diagram_Differences_between_Eukaryotic_Cell_versus_Prokaryotic_Cell_comparison.png|thumb|center|800px|alt=Venn diagram for Differences between Eukaryotic Cell and Prokaryotic Cell|Venn diagram comparing Differences between Eukaryotic Cell and Prokaryotic Cell]]

=<ref name="ref5" />== Cellular organization ===
The cytoplasm of a eukaryotic cell is highly organized, containing a variety of membrane-bound organelles that are absent in prokaryotes. These<ref name="ref5" /> organelles, such as mitochondria for energy production and the endoplasmic reticulum for protein and lipid synthesis, allow for various processes to occur simultaneously in different compartments. Prokaryotic<ref name="ref3" /> cells lack this internal membrane system, and their cellular processes, like metabolism and energy production, occur within the cytoplasm or across the plasma membrane. Eukaryotic cells also possess a complex cytoskeleton, which provides structural support and facilitates intracellular transport, features that are simpler in prokaryotes.

=== Genetic material ===
The genetic material, DNA, is organized differently in the two cell types. In eukaryotic cells, the DNA is linear and tightly packaged with proteins called histones to form multiple chromosomes, which are housed within the nucleus. In contrast,<ref name="ref5" /> the DNA of a prokaryotic cell is typically a single circular chromosome that is located in a region of the cytoplasm called the nucleoid. This nucleoid is not separated from the rest of the cytoplasm by a membrane. Many prokaryotes<ref name="ref5" /> also contain small, independent circular DNA molecules called plasmids, which can carry a few non-essential genes.

== References ==
<references>
<ref name="ref1">[https://opentextbc.ca/biology/chapter/3-2-comparing-prokaryotic-and-eukaryotic-cells/ "opentextbc.ca"]. Retrieved November 22, 2025.</ref>
<ref name="ref2">[https://www.britannica.com/video/Difference-prokaryotes-eukaryotes-cells-DNA-ribosomes-organelles-cell-structure-biology/-242203 "britannica.com"]. Retrieved November 22, 2025.</ref>
<ref name="ref3">[https://en.wikipedia.org/wiki/Eukaryote "wikipedia.org"]. Retrieved November 22, 2025.</ref>
<ref name="ref4">[https://www.technologynetworks.com/cell-science/articles/prokaryotes-vs-eukaryotes-what-are-the-key-differences-336095 "technologynetworks.com"]. Retrieved November 22, 2025.</ref>
<ref name="ref5">[https://www.news-medical.net/life-sciences/Eukaryotic-and-Prokaryotic-Cells-Similarities-and-Differences.aspx "news-medical.net"]. Retrieved November 22, 2025.</ref>
</references>

[[Category:Comparisons]]

Differences between Eukaryotic Cell and Prokaryotic Cell - Revision history

Dwg: Article written and Venn diagram created.