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HomeHomework HelpbiologyProkaryote vs Eukaryote

Prokaryote vs Eukaryote

Prokaryotes are unicellular organisms that lack a membrane-bound nucleus and organelles, while eukaryotes are organisms whose cells contain a membrane-bound nucleus and various organelles, allowing for more complex cellular functions. Key differences include cell structure, size, and genetic organization, with prokaryotes typically being smaller and having circular DNA, whereas eukaryotes have linear DNA organized into chromosomes.

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Biology
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Overview

Prokaryotes and eukaryotes are the two main types of cells that make up all living organisms. Prokaryotes are simpler, single-celled organisms without a nucleus, while eukaryotes have a more complex structure with a nucleus and organelles. Understanding these differences is crucial for studying biol...

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Key Terms

Prokaryote
A single-celled organism without a nucleus.

Example: Bacteria are prokaryotes.

Eukaryote
An organism whose cells contain a nucleus.

Example: Humans are eukaryotes.

Cell Membrane
A protective barrier that surrounds the cell.

Example: Both prokaryotes and eukaryotes have cell membranes.

Nucleus
A membrane-bound organelle that contains the cell's DNA.

Example: Eukaryotic cells have a nucleus.

Binary Fission
A method of asexual reproduction in prokaryotes.

Example: Bacteria reproduce by binary fission.

Chromosome
A structure made of DNA and proteins that contains genetic information.

Example: Eukaryotes have multiple chromosomes.

Related Topics

Cell Theory
The fundamental theory that all living organisms are composed of cells.
beginner
Microbiology
The study of microorganisms, including bacteria and viruses.
intermediate
Genetics
The study of heredity and the variation of inherited characteristics.
intermediate
Biotechnology
The use of living systems and organisms to develop products.
advanced

Key Concepts

Cell StructureGenetic MaterialReproductionExamples