GC-content — (or guanine cytosine content), in molecular biology, is the percentage of nitrogenous bases on a DNA molecule which are either guanine or cytosine (from a possibility of four different ones, also including adenine and thymine). [… … Wikipedia
Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… … Wikipedia
bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom … Universalium
Bacteria — Para otros usos de este término, véase Agrupación de Electores BACTERIA … Wikipedia Español
Gram-positive bacteria — Gram positive bacteria, stained purple, of both the bacillus (“rod shaped”) and coccus (spherical) forms. A few Gram negative bacteria are also present, stained pink. Numbered ticks are eleven (11) microns apart. Gram positive… … Wikipedia
Nitrifying bacteria — are chemoautotrophic or chemolithotrophs depending on the genera (Nitrosomonas, Nitrosococcus, Nitrobacter, Nitrococcus) bacteria that grow by consuming inorganic nitrogen compounds.[1] Many species of nitrifying bacteria have complex internal… … Wikipedia
Magnetotactic bacteria — (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth s magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain… … Wikipedia
Gram-negative bacteria — Microscopic image of Gram negative Pseudomonas aeruginosa bacteria (pink red rods). Gram negative bacteria are bacteria that do not retain crystal violet dye in the Gram staining protocol.[1] In a Gram … Wikipedia
Ultra-high-temperature processing — or (less often) ultra heat treatment (both abbreviated UHT) is the partial sterilization of food by heating it for a short time, around 1 2 seconds, at a temperature exceeding 135°C (275°F), which is the temperature required to kill spores in… … Wikipedia
Cancer bacteria — (not viruses) are infectious organisms which are known, or suspected of causing cancer. While cancer associated bacteria have long been considered to be opportunistic (i.e., infecting healthy tissues after cancer has already established itself),… … Wikipedia