Definition of prokaryote in English:
prokaryote
(also procaryote)
noun prəʊˈkarɪɒtprəʊˈkarɪəʊtprōˈkerēˌōt
Biology A microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles, including the bacteria and cyanobacteria.
〔生〕原核生物。比较EUKARYOTE
Compare with eukaryote
Example sentencesExamples
- Why are extragenic mutations evidently more common in viruses than in prokaryotes or eukaryotes?
- Early fossils are all simple-celled prokaryotes such as bacteria and cyanobacteria.
- The difference between eukaryotes and prokaryotes is that eukaryotes have a nucleus, while prokaryotes do not.
- In a few organisms called prokaryotes, there is no defined nucleus and the DNA is found throughout the cell.
- These proteins are expressed by all organisms ranging from prokaryotes to higher eukaryotes, including human cells.
Derivatives
adjective prəʊkarɪˈɒtɪk
Biology Several OYE homologues have been reported in prokaryotic and eukaryotic organisms.
Example sentencesExamples
- The structural integrity of recombinant products generated by prokaryotic and eukaryotic organisms is a major concern.
- This is a region of highest conservation, which consists of amino acids that are identical in both the prokaryotic and eukaryotic homologs.
- This reaction and similar ones occur in a number of unrelated organisms, both prokaryotic and eukaryotic.
- Recently, large numbers of new retinal proteins were discovered in both prokaryotic and eukaryotic organisms.
Origin
1960s: from pro-2 'before' + Greek karuon 'nut, kernel' + -ote as in zygote.