eucaryotic
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Definition
- Adjective:
- Having cells with 'good' or membrane-bound nuclei: Describes organisms whose cells contain a true nucleus enclosed within a membrane, along with other membrane-bound organelles. This is a characteristic of all life forms except bacteria and archaea (which are prokaryotic).
Usage Examples
- Adjective:
- Animals, plants, and fungi are all eucaryotic organisms.
- The eucaryotic cell is more complex than its prokaryotic counterpart.
- Under the microscope, you can see the distinct nucleus of the eucaryotic cell.
Advanced Usage
- In scientific classification: The term is used to distinguish one of the three domains of life (Eukarya) from the domains Bacteria and Archaea.
- The domain Eukarya encompasses all eucaryotic life forms.
- In cell biology: Used to describe specific cellular structures or processes.
- The study focused on eucaryotic gene expression.
Variants and Related Words
- Eukaryotic (adj): The more common modern spelling of "eucaryotic". Both spellings are correct and have the same meaning.
- Eukaryotic cells contain mitochondria.
- Eukaryote (n): An organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus.
- A mushroom is an example of a eukaryote.
- Prokaryotic (adj): The antonym, describing cells without a membrane-bound nucleus.
- Bacterial cells are prokaryotic.
Synonyms
- Nucleated: (In a biological context) Having a nucleus. However, this is a more general term.
- True-nucleated: A descriptive synonym emphasizing the presence of a defined nucleus.
Antonyms
- Prokaryotic: Having cells that lack a membrane-bound nucleus.
- Prokaryotic organisms, like bacteria, are often unicellular.
Adjective
- having cells with `good' or membrane-bound nuclei