Eukaryotes and Prokaryotes

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All animal and plant cells are eukaryotic, which makes all plants and animals eukaryotes. There is a huge diversity of eukaryotic life on Earth. Many euakryotes are complex organisms. Organisms that are made from one cell are described as multicellular. Almost all eukaryotic cells are microscopic, this means you can't see a single cell without using a microscope.

All bacterial cells are prokaryotic, which means that all bacteria are prokaryotes.

Prokaryotes:

  • are single celled
  • do not have a nucleus containing their genetic material (DNA)
  • are smaller than eukaryotic cells
  • may also have small rings of DNA called plasmids.

Individual bacterial cells are usually between 1μm and 10μm in length. One million micrometres (μm) make up one metre (m) and one thousand make up one millimetre (mm). This means that between 100 and 1000 bacteria will fit in a straight line in a space of 1mm. Groups of bacterial cells are called colonies. Many, but not all, scientists think…

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ZainShabir

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nice!

Amin619

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organisms that are made from one cell are unicellular, not multicellular