A prokaryote (/proʊˈkærioʊt, -ət/; less commonly spelled procaryote) is a single-celled organism whose cell lacks a nucleus and other membrane-bound organelles...

wall Capsule Pili Marine prokaryotes are marine bacteria and marine archaea. They are defined by their habitat as prokaryotes that live in marine environments...

unavailable. Prokaryotes, including bacteria and archaea, vary greatly in how they obtain nutrients across nutritional groups. Prokaryotes can only transport...

They constitute a major group of life forms alongside the two groups of prokaryotes: the Bacteria and the Archaea. Eukaryotes represent a small minority...

The International Code of Nomenclature of Prokaryotes (ICNP) or Prokaryotic Code, formerly the International Code of Nomenclature of Bacteria (ICNB) or...

In prokaryote nomenclature, Candidatus (abbreviated Ca.; Latin for "candidate of Roman office") is used to name prokaryotic taxa that are well characterized...

prokaryotic cells, which lack a nucleus but have a nucleoid region. Prokaryotes are single-celled organisms such as bacteria, whereas eukaryotes can...

of circular DNA, unlike the linear chromosome of most eukaryotes. Most prokaryote chromosomes contain a circular DNA molecule. This has the major advantage...

animals (including protists), plants (also including algae and fungi) and prokaryotes (bacteria and archaea), is Latin and binomial in form; this contrasts...

60% rRNA and 40% ribosomal proteins, though this ratio differs between prokaryotes and eukaryotes. Although the primary structure of rRNA sequences can...

traditionally included all prokaryotes, the scientific classification changed after the discovery in the 1990s that prokaryotes consist of two very different...

An extremophile (from Latin extremus 'extreme' and Ancient Greek φιλία (philía) 'love') is an organism that is able to live (or in some cases thrive) in...

only from a single specimen, described in 2012. It has features of both prokaryotes and eukaryotes but is apparently distinct from either group, making it...

on protists, and Ruggiero et al., 2015, covering both eukaryotes and prokaryotes to the rank of Order, although both exclude fossil representatives. A...

Phototrophs (from Ancient Greek φῶς, φωτός (phôs, phōtós) 'light' and τροφή (trophḗ) 'nourishment') are organisms that carry out photon capture to produce...

antibiotics. A possible transitional form of microorganism between a prokaryote and a eukaryote was discovered in 2012 by Japanese scientists. Parakaryon...

structural filaments in prokaryotes. Some of these proteins are analogues of those in eukaryotes, while others are unique to prokaryotes. Cytoskeletal elements...

origins. The genes in prokaryotes are often organized in operons and do not usually contain introns, unlike eukaryotes. Prokaryotes do not possess nuclei...

general categories: prokaryotic organisms and eukaryotic organisms. Most prokaryotes are unicellular and are classified into bacteria and archaea. Many eukaryotes...

(mostly in eukaryotes), or aspartic acid or histidine residues (mostly in prokaryotes). The phosphorylation of proteins is a major regulatory mechanism in...

divided into several different kingdoms. Originally his split of the prokaryotes was into Eubacteria (now Bacteria) and Archaebacteria (now Archaea)....

Binary fission in a prokaryote...

Bacterial transcription is the process in which a segment of bacterial DNA is copied into a newly synthesized strand of messenger RNA (mRNA) with use of...

Enzyme Eukaryote Fermentation Metabolism Meiosis Mitosis Photosynthesis Prokaryote Genetics DNA Epigenetics Evolutionary developmental biology Gene expression...

the dinoflagellate protists. He first coined the terms "eukaryote" and "prokaryote" in a 1925 paper, but did not elaborate on the concept; Roger Stanier...

asexually, as in single-celled organisms such as bacteria and other prokaryotes, and parthenogenetic or apomictic multi-celled organisms. DNA barcoding...

to be names of subspecies (see International Code of Nomenclature of Prokaryotes). As in botany, subspecies is conventionally abbreviated as "subsp."...

prokaryotes. The set of chromosomes in a cell is collectively known as its genome. In eukaryotes, DNA is mainly in the cell nucleus. In prokaryotes,...

"solitary") is historically a biological kingdom that is made up of prokaryotes. As such, it is composed of single-celled organisms that lack a nucleus...

sequenced was that of the virus φX174 in 1977; the first genome sequence of a prokaryote (Haemophilus influenzae) was published in 1995; the yeast (Saccharomyces...