Agarose gel - Lane 1. Commercial DNA Markers (1kbplus), Lane 2. empty, Lane 3. a PCR product of just over 500 bases, Lane 4. Restriction digest showing the a similar fragment cut from a 4.5 kb plasmid vector

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Agarose gel - Lane 1. Commercial DNA Markers (1kbplus), Lane 2. empty, Lane 3. a PCR product of just over 500 bases, Lane 4. Restriction digest showing the a similar fragment cut from a 4.5 kb plasmid vector