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unicellular |
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unicellular [¦yü·nə′sel·yə·lər] (biology) Composed of a single cell. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Scientists suspect that many microbial species responsible for human illnesses first preyed upon amoebas, unicellular organisms found in aquatic environments. Yeasts are unicellular fungi that reproduce primarily by budding and, in culture, form pasty colonies similar to those of bacteria (Macher 2000). I make this point because pharmaceutical companies (and academic scientists) in the mainstream had abandoned antiviral research in the 1970s, because of the prior lack of success and the knowledge that unlike bacteria and other unicellular microbial parasites, viruses have no metabolism of their own and are highly dependent upon the cell's machinery for their replication. |
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