Dictionary » E » Eukaryote



noun, plural: eukaryotes

Any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound nucleus.


Organisms such as animals, plants, fungi, and protists are examples of eukaryotes because their cells are organized into compartmentalized structures called organelles, the nucleus in particular. The presence of a distinct nucleus encased within membranes differentiates the eukaryotes from the prokaryotes. The eukaryotes are also known for having cytoplasmic organelles apart from nucleus, such as mitochondria, chloroplasts and Golgi bodies. Eukaryotes often have unique flagella made of microtubules in a 9+2 arrangement.

Word origin: Greek eu- (good-, well-, true) + káry(on) (nut, kernel).

Related forms: eukaryotic (adjective).

Compare: prokaryote.

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Re: Multicellular prokaryote

... more specificity is required in modern terminology because of the abundance of new information. Prokaryotes are not multicellular in the way that eukaryotes are (which is often what people mean by the term), but the distinction is not as simple to define as it is to 'intuitively conceptualizer.' ...

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by thirdprometheus
Fri Nov 15, 2013 7:45 pm
Forum: Microbiology
Topic: Multicellular prokaryote
Replies: 27
Views: 41164

Why must we avert the genome of Eden?

... gene transfer to the data (another ad hoc adjustment), but though a very frequent HGT is probable amongst microbes, one must extend it to complex eukaryotes to explain away the genome of eden, and then it is much less probable. Interestingly it seems Prof Doolittle and most of the other biologists ...

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by Hunor
Mon Sep 23, 2013 12:08 am
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 14512

Eukaryotic and Prokaryotic

What are prokayotes and eukaryote? http://www.understandbiology.com/2012/12/prokaryotes-and-eukaryotes.html Difference between prokaryotes and Eukaryotes http://www.understandbiology.com/2012/12/prokaryotes-and-eukaryotes.html

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by understandbiology
Thu Jun 27, 2013 12:45 pm
Forum: Cell Biology
Topic: Eukaryotic and Prokaryotic
Replies: 4
Views: 14569

meiome and genome

I thought eukaryote genetic inheritance came simply from the adding together of (recombinant) haploid chromosomes in the new zygote. But there is a lot of RNA involved? A crowd of unique proteins and mRNA in addition to the chromosomes ...

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by mattw
Sun May 05, 2013 2:58 am
Forum: Genetics
Topic: meiome and genome
Replies: 0
Views: 3360


... you need some proofs. So far abiogenesis looks better then God. All of the DATA that supports "tree of life" - first prokaryote, than eukaryote that somehow swallowed prokaryote giving us mitochondria and giving plants chloroplasts can be interpreted in the OPPOSITE direction. If you ...

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by Cat
Thu Oct 11, 2012 2:11 am
Forum: Evolution
Topic: Are evolution and creationism mutually exclusive???
Replies: 24
Views: 18623
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