Prokaryotic vs. Eukaryotic Cells

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Organisms with cells that lack a nucleus and other membrane-bound organelles.

A cell's control center that houses its genetic material (DNA).

A cell structure that encloses the nucleus in eukaryotic cells.

Organisms with cells that have a nucleus and other membrane-bound organelles.

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Single-celled organisms that lack a nucleus and other membrane-bound organelles. They are classified as prokaryotes.

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Prokaryotic cells are characterized by their lack of a membrane-bound nucleus and other membrane-bound organelles.
Eukaryotic cells, in contrast, contain a nucleus and other organelles enclosed by membranes.
Bacteria are classified as prokaryotes.

Lack a nucleus. This means their genetic material (DNA) is not contained within a membrane-bound compartment.
Do not possess membrane-bound organelles like mitochondria, endoplasmic reticulum, or Golgi apparatus, which are common in eukaryotic cells.
Their DNA is typically a single, circular chromosome located in a region of the cytoplasm called the nucleoid.
Possess a cell wall composed of peptidoglycan (in most bacteria).
Often smaller in size than eukaryotic cells.
Can have a wide range of shapes, from cocci (spherical), bacilli (rod-shaped), to spirilla (spiral).