DNA Fingerprinting - Class XII
Casual Mode - Take your time!
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Multiple Choice
Fill up the blanks and select the correct option.
(i) EcoRI cuts the DNA between bases ___ only ____ when the sequence _____ is present in the DNA.
(ii) Disruption of the cell membranes can be achieved by treating the bacterial cells, plant cells and fungal cells with enzymes respectively ____, ____ and ___.
(iii) Since DNA has a ____ charge, it moves towards the ____ of the electrophoretic chamber.
- (i) G A, GAATTC (ii) endonuclease, cellulase, chitinase (iii) negative, anode
- (i) G A, GAATTC (ii) lysozyme, cellulase, chitinase (iii) positive, cathode
- (i) G A, GAATTC (ii) lysozyme, cellulase, chitinase negative/anode
- (i) G A, GAAATC (ii) lysozyme, cellulase, chitinase (iii) positive, cathode