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The following linear fragments were found after digestion of a circular plasmid with restriction enzymes: EcoRI: 20 kb; SalI: 20 kb; HindIII: 9, 7, 4...
The following linear fragments were found after digestion of a circular plasmid with restriction enzymes: EcoRI: 20
kb; SalI: 20 kb; HindIII: 9, 7, 4 kb; SalI + HindIII: 9, 6, 4, 1 kb; EcoRI + HindIII: 7, 6, 4, 3 kb; EcoRI + SalI: 13, 7 kb.
Draw a restriction map of the circular plasmid.