Question

Fill up the blanks and select the correct option.

(i) Eco R I cuts the DNA between bases ____ only when the sequence _____ is present in the DNA.

(ii) Disruptions of the cell membranes can be achieved by treating the bacterial cells, plants cells and fungal cell with enzymes respectively ____, _____ and _____ .

(iii) Since DNA has a _____ charge, it moves towards the _____ of the electrophoretic chamber.

• A. (i) G $\downarrow$ A, GAATTC (ii) Lysozyme, cellulase, chitinase (iii) negative, anode
• B. (i) G $\downarrow$A, GAATTC (ii) endonuclease, cellulose, chitinase (iii) negative, anode
• C. (i) G $\downarrow$A, GAATTC (ii) Lysozyme , cellulase, chitinase (iii) Positive, cathode
• D. (i) G $\downarrow$ A, GAAATC (ii) Lysozyme, cellulase, chitinase (iii) positive, cathode

Answer 1

Answer: (A)

(i) G $\downarrow$ A, GAATTC (ii) Lysozyme, cellulase, chitinase

$iii$ negative, anode