A prokaryote (/proʊˈkærioʊt, -ət/; less commonly spelled procaryote) is a single-cell 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...

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

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

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

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

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...

cytoskeleton is the collective name for all structural filaments in prokaryotes. It was once thought that prokaryotic cells did not possess cytoskeletons...

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

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

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

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

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

elements that are shaped by selection and drift. Some studies point that prokaryotes pangenomes are the result of adaptive, not neutral evolution that confer...

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

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

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

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

Prokaryotic DNA Replication is the process by which a prokaryote duplicates its DNA into another copy that is passed on to daughter cells. Although it...

structure.[page needed] There are two types of cells: prokaryotes and eukaryotes. Prokaryotes were the first of the two to develop and do not have a...

"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...

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

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...

Binary fission in a prokaryote...

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

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

Eukaryotic life dies out on Earth due to carbon dioxide starvation. Only prokaryotes remain. 1.5 billion Callisto is captured into the mean–motion resonance...

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,...