prokaryotic
prokaryotic — adjective
- prokaryoticpositive
- more prokaryoticcomparative
- most prokaryoticsuperlative
1. used in biology to describe a single-celled living thing whose cells have no nuc
used in biology to describe a single-celled living thing whose cells have no nucleus — for example, bacteria. A prokaryotic cell's DNA floats freely inside the cell rather than being kept in a separate central compartment.
In biology class, Joaquín saw prokaryotic organisms through the microscope.
Daichi explained that prokaryotic cells lack a nucleus, while human cells contain one.
contrast structure: 'prokaryotic X … while … Y'
The lab tested the wound swab for any sign of prokaryotic infection.
Gabriel drew a diagram of a prokaryotic cell for the school science exhibition.
Beatrix found it surprising that all bacteria are prokaryotic but plants and fungi are not.
- bacterial
narrower — all bacteria are prokaryotes, but the prokaryote group also includes archaea
- unicellular
overlapping but not equivalent — some unicellular organisms (e.g. yeast, amoebas) are eukaryotic
- microbial
broader — microbes include both prokaryotic and eukaryotic microorganisms
- eukaryotic
direct opposite — describes cells with a membrane-bound nucleus and organelles
文法句型
prokaryotic + noun (cell, organism, bacteria)
用法筆記
This term is restricted to formal or scientific writing about cell biology. It is not gradable — you cannot say 'more prokaryotic' or 'very prokaryotic.' The most frequent noun collocates are 'cell,' 'organism,' 'bacteria,' 'genome,' and 'life.'