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noun

prokaryote

proh-KAR-ee-oht
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Prokaryote (noun) means an organism whose cells have no nucleus or other membrane-bound organelles. Example: “Bacteria are prokaryotes because their genetic material floats freely inside the cell.”

noun
1
An organism whose cells have no nucleus or other membrane-bound organelles.
"Bacteria are prokaryotes because their genetic material floats freely inside the cell."
"Under a microscope, a prokaryote's cell looks much simpler than a cell with a nucleus."
"Archaea are prokaryotes that can survive in extremely hot or salty environments."

How to use prokaryote

Learner’s notes

In plain EnglishA prokaryote is a simple, single-celled organism whose cell has no nucleus.

When to use it

This is a scientific term used in biology rather than everyday speech.

Memory tip

Notice the cell has no nucleus, which is the whole point of the word: 'pro-' plus 'karyon' (nucleus).

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Easily confused with
Common pairings
prokaryotic cell simple prokaryote
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Fill the gap

Can you complete this real example?

Bacteria are _____ because their genetic material floats freely inside the cell.

Etymology

The word joins the prefix pro-, meaning before, with karyon, referring to a nucleus, and the ending -ote. Together the parts describe a cell type that exists without a true nucleus.

Origin: Greek

Rhymes for prokaryote

See all rhymes for prokaryote →

Frequently asked questions

What is a prokaryote?
A prokaryote is an organism made of cells that lack a nucleus and other membrane-bound organelles.
What are examples of prokaryotes?
Bacteria and archaea are the main groups of organisms classed as prokaryotes.
Why don't prokaryote cells have a nucleus?
The term simply describes cells built without one; the absence of a nucleus and membrane-bound organelles is the defining feature of a prokaryote.
What is the meaning of prokaryote?
"prokaryote" (noun) means an organism whose cells have no nucleus or other membrane-bound organelles.