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Organisms whose cells have a membrane-bound nucleus
- The eukaryotes (/ juːˈkærioʊts, - əts / yoo-KARR-ee-ohts, -əts) constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, and many unicellular organisms are eukaryotes.
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The eukaryotes (/ j uː ˈ k ær i oʊ t s,-ə t s / yoo-KARR-ee-ohts, -əts) constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, and many unicellular organisms are eukaryotes. They constitute a major group of life forms alongside the two groups of prokaryotes: the ...
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Apr 19, 2024 · eukaryote, any cell or organism that possesses a clearly defined nucleus. The eukaryotic cell has a nuclear membrane that surrounds the nucleus, in which the well-defined chromosomes (bodies containing the hereditary material) are located.
- The Editors of Encyclopaedia Britannica
- Structure
- Origin
- Etymology
Eukaryotic cells are usually much bigger than prokaryotes. They can be up to 10 times bigger. Eukaryote cells have many different internal membranes and structures, called organelles. They also have a cytoskeleton. The cytoskeleton is made up of microtubules and microfilaments. Those parts are very important in the cell's shape. Eukaryotic DNA is p...
Because the cell organelles of eukaryotes have different (polyphyletic) origins, the question arises as to whether the group is a unified clade or not. It is certain that the protistsare not. Cell organelles are specialised units which carry out well-defined functions, like mitochondria and plastids. It is fairly clear now that all or most of these...
The feature that defines eukaryotes is that their cells have nuclei. Eukaryote comes from the Greek words εὖ (eu, "well" or "good") and karyon, "nut" or "kernel", here meaning "nucleus".
Apr 28, 2017 · Eukaryote Definition. Eukaryotes are organisms whose bodies are made up of eukaryotic cells, such as protists, fungi, plants and animals. Eukaryotic cells are cells that contain a nucleus and organelles, and are enclosed by a plasma membrane.
Eukaryogenesis, the process which created the eukaryotic cell and lineage, is a milestone in the evolution of life, since eukaryotes include all complex cells and almost all multicellular organisms. The process is widely agreed to have involved symbiogenesis, in which archaea and bacteria came together to create the first eukaryotic common ...
Eukaryotes are organisms whose cells contain a nucleus and other organelles. There is a wide range eukaryotic organisms, including all animals, plants, fungi, protists and most...
Sep 7, 2022 · 2.1 Animals. 2.2 Plants. 2.3 Fungi. 2.4 Protists. 3 References. History. Thought to be more than 1.7 billion years ago, the Domain Eukarya was the last to evolve. The Domain includes all organisms with a eukaryotic cell which contain membranous organelles such as mitochondria and chloroplasts.
