Like the mitochondrial DNA in a human cell, the DNA in a plasmid is independent, circular, self-replicating, and double-stranded.Plasmids are found in many types of bacteria.Plasmids can be linearized using restriction enzymes.If a plasmid is resistant to digestion by a particular restriction enzyme, it is probable that the recognition sequence contains one or more _______ groups.

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Plasmids can be modified with methyl groups, which can protect them from being digested by certain restriction enzymes. Therefore, if a plasmid is resistant to digestion by a particular restriction enzyme, it is likely that it has methyl groups protecting the recognition sequence.

Like the Mitochondrial DNA in a Human Cell, the DNA