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<p><b>New page</b></p><div>[[File:Turicibacter sp. H121 colony.png|thumb|Turicibacter sp. H121 colony]] '''Bacter'''<br />
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A '''bacter''' is a type of [[microorganism]] that belongs to the domain [[Bacteria]]. These single-celled organisms are prokaryotic, meaning they lack a true nucleus and membrane-bound organelles. Bacteria are found in various environments, including soil, water, and the bodies of plants and animals.<br />
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== Characteristics ==<br />
Bacteria come in different shapes, such as cocci (spherical), bacilli (rod-shaped), and spirilla (spiral-shaped). They reproduce asexually through binary fission, where a single cell divides into two identical daughter cells. Bacteria play crucial roles in various ecosystems, including nutrient cycling and decomposition.<br />
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== Importance ==<br />
While some bacteria are harmful and can cause diseases in humans and other organisms, many bacteria are beneficial. For example, certain bacteria aid in digestion, produce antibiotics, and are used in biotechnology and food production. Understanding bacteria is essential for fields such as [[microbiology]] and [[medicine]].<br />
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== Classification ==<br />
Bacteria are classified into different phyla based on their genetic and morphological characteristics. Some common phyla include [[Firmicutes]], [[Proteobacteria]], and [[Actinobacteria]]. Each phylum contains various genera and species with unique traits and functions.<br />
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== Research ==<br />
Research on bacteria is ongoing, with scientists studying their genetics, metabolism, and interactions with other organisms. Advances in technology, such as [[DNA sequencing]] and [[microscopy]], have revolutionized our understanding of bacterial diversity and behavior.<br />
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== See also ==<br />
* [[Microbiology]]<br />
* [[Prokaryote]]<br />
* [[Pathogen]]<br />
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[[Category:Microbiology]]<br />
[[Category:Bacteria]]<br />
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