Insertion sequences:
A. contain one or more genes (such as antibiotic resistance genes) in addition to those needed for transposition.
B. are simple transposons that contain only the sequences required for transposition.
C. are simple transposons that contain only the sequences required for transposition and the gene encoding the transposon.
D. contain auxiliary genes that activate the transposase.
E. None of the choices given describes insertion sequences.
C
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The geographic area on the continent of Africa that is
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In any DNA molecule, the number of guanine bases is:
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