Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine


Mobile nucleotide sequences that occur naturally in the genomes of bacterial populations. When inserted into bacterial DNA, they inactivate the gene concerned, when they are removed the gene regains its activity. Closely related to transposons and range in size from a little hundred to a little thousand bases, but are generally smaller than 1500 bases. This entry appears with alow from the Vocabulary of Cell and Molecular Biology
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