Bacteria are microscopic living organisms that have only one cell. Most bacteria aren't harmful, but certain types can make you sick.
bac·te·ri·um
bac·te·ri·um/bakˈtirēəm/
noun
a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.
Bacteria
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Bacteria are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear... Wikipedia
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Bacteria are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms.
Bacteria are microbes with a cell structure simpler than that of many other organisms. Their control centre, containing the genetic information, is contained in ...
Bacteria are microscopic, single-celled organisms that exist in their millions, in every environment, both inside and outside other organisms.
5 days ago · Bacteria are microscopic single-celled organisms that inhabit virtually all environments on Earth, including the bodies of multicellular ...
THE NCBI Taxonomy database allows browsing of the taxonomy tree, which contains a classification of organisms.
Apr 7, 2022 · Harmful bacteria are called pathogenic bacteria because they cause diseases and illnesses, such as: strep throat; staph infection; cholera ...
Jun 28, 2018 · There are many types of bacterial infections. Learn about bacterial infections that can make you sick and how to treat them.
Sep 24, 2023 · Bacterial and viral infections have many things in common. Both types of infections are caused by microbes -- bacteria and viruses, ...