Question Statement:
The plasmid DNA was subjected to restriction digestion using the enzyme 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 Group I with their identity in Group II.
Group I Group II
P. Bands labeled as A 1. Nicked
Q. Band lab eled as B 2. Supercoiled
R. Band labeled as C 3. Concatemers
S. Band labeled as D 4. Linear
(A) P-3, Q-1, R-2, S-4 (B) P-1, Q-4, R-3, S-2
(C) P-4, Q-3, R-1, S-2 (D) P-4, Q-1, R-2, S-3
BT (GATE 2014)
-1 BIOTECHNOLOGY - BT