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The plasmid DNA was subjected to restriction digestion using the enzyme $\textit{EcoRI}$ and analysed on an agarose gel. Assuming digestion has worked (the enzyme was active), match the identity of the DNA bands shown in the image in $\text{Group I}$ with their identity in $\text{Group II}$.

$\begin{array}{|l|l|l|l|} \hline & \text{Group I} & & \text{Group II} \\ \hline P. & \text{Bands labeled as A} & 1. & \text{Nicked} \\ \hline Q. & \text{Bands labeled as B} & 2. & \text{Supercoiled} \\ \hline R. & \text{Bands labeled as C} & 3. & \text{Concatemers} \\ \hline S. & \text{Bands labeled as D} & 4. & \text{Linear} \\ \hline \end{array}$

  1. $\text{P-3, Q-1, R-2, S-4}$
  2. $\text{P-1, Q-4 R-3, S-2}$
  3. $\text{P-4, Q-3, R-1, S-2}$
  4. $\text{P-4, Q-1, R-2, S-3}$
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