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What is a prokaryote – Cell biology

By |2018-09-11T05:51:18+00:00May 29th, 2017|Biology|

A prokaryote (seen through a microscope) What does "prokaryote" mean? The simplest living cells are called prokaryotes, which is Greek for "before the nucleus" - these are cells that were so simple that they didn't have a nucleus. When did the first prokaryotes evolve? The first prokaryotes probably evolved from even simpler cells [...]

What are E. coli bacteria? Cell biology

By |2017-05-28T22:11:41+00:00May 28th, 2017|Biology|

E. coli bacterium under a microscope E. coli are a very common kind of prokaryote cell that lives mainly inside mammals and birds, including inside you. They can only live for a short time on their own, because they have evolved over time to live inside animals. E. coli live in your intestines, [...]