List I | List II |
A. Chloramphenicol | I. Join the cut ends of DNA molecule |
B. Ethidium bromide | II. Makes bacterial cell competent to take up DNA |
C. DNA ligase | III. Selectable marker |
D. Calcium | IV. Agarose gel staining |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): | In rDNA technology non-recombinants transformed bacteria grow on the medium containing ampicillin as well as medium containing tetracycline |
Reason (R): | Recombinant plasmids contain the foreign gene of interest. |
In the light of the above statements, choose the correct answer from the options given below:
1. | (A) is correct but (R) is not correct. |
2. | (A) is not correct but (R) is correct. |
3. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |