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  1. Prokaryote structure (article) | Khan Academy

    Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall. Many also have a capsule or slime layer made of …

  2. Plasma membrane and cytoplasm (article) | Khan Academy

    The part of the cell referred to as cytoplasm is slightly different in eukaryotes and prokaryotes. In eukaryotic cells, which have a nucleus, the cytoplasm is everything between the plasma …

  3. Prokaryotic and eukaryotic cells (article) | Khan Academy

    A diagram of a typical prokaryotic cell (upper left), and a micrograph of prokaryotic cells (bottom right). Cell diagram created with Biorender.com. Image credit: "E. coli Bacteria" by NIAID, …

  4. Prokaryotic and eukaryotic cells (video) | Khan Academy

    Eukaryotic cells contain membrane-bound organelles (such as the nucleus and mitochondria), while prokaryotic cells do not. DNA in eukaryotic cells is found inside the nucleus, while DNA …

  5. Prokaryotic and eukaryotic cells (article) | Khan Academy

    A diagram of a typical prokaryotic cell (upper left), and a micrograph of prokaryotic cells (bottom right). Cell diagram created with Biorender.com. Image credit: "E. coli Bacteria" by NIAID, …

  6. Prokaryotic cells (article) | Khan Academy

    The figure below shows the sizes of prokaryotic, bacterial, and eukaryotic, plant and animal, cells as well as other molecules and organisms on a logarithmic scale.

  7. Prokaryotes and eukaryotes review (article) | Khan Academy

    "In general, prokaryotes are single-celled organisms. However, there's increasing evidence that some groups of prokaryotic cells can organize to form structures that resemble multicellular …

  8. Overview: Gene regulation in bacteria (article) | Khan Academy

    These examples illustrate an important point: that gene regulation allows bacteria to respond to changes in their environment by altering gene expression (and thus, changing the set of …

  9. Prokaryote classification and diversity (article) | Khan Academy

    Prokaryotes, which include both bacteria and archaea, are found almost everywhere – in every ecosystem, on every surface of our homes, and inside of our bodies!

  10. Comparing prokaryotic and eukaryotic cells - Khan Academy

    In this video, we're now going to talk about the two main categories of cells, prokaryotic cells, and eukaryotic cells. So what I'm going to do here, is I'm gonna diagram out a prokaryotic cell and …