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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaBiology concept

These single-celled prokaryotes occur nearly everywhere and include many familiar microbes.

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Your new ahaBacteria

Bacteria: Among the very first forms of life to evolve. Source: Bacteria ↗

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More from From Cells to Species

A few more worth knowing.

  1. 13These infectious agents require host cells to reproduce.RECALL
    Viruses

    Viruses cannot reproduce alone and must hijack a host organism's cells, as the common cold virus does.

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  2. 14These cells can renew themselves and develop into more specialized cell types.RECALL
    Stem Cells

    Stem cells can develop into many different cell types and are used in medicine to repair damaged tissue.

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  3. 15This process produced Dolly the sheep from the genetic material of an adult cell.RECALL
    Cloning

    Cloning produces a genetically identical organism, as demonstrated when Dolly the sheep was cloned from an adult cell.

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