- 1(current)
Q. No.Identify the correct statements:
| I: | In the Cohen and Boyer experiment, the linking of antibiotic resistance gene with a plasmid vector became possible with the enzyme DNA ligase. |
| II: | Recombinant DNA molecules are DNA molecules formed by laboratory methods of genetic recombination that bring together genetic material from multiple sources, creating sequences that would not otherwise be found in the genome. |
| 1. | Only I |
| 2. | Only II |
| 3. | Both I and II |
| 4. | Neither I nor II |
Subtopic: Â Introduction & History |Â General Design of an rDNA experiment |
 82%
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What is true regarding A, B and C in the given diagrammatic representation of rDNA technology?
| I: | At A, same restriction enzyme is used to cut both foreign and vector DNA |
| II: | The enzyme used at B is DNA ligase |
| III: | Step C can be called as transformation |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
Subtopic: Â General Design of an rDNA experiment |
 87%
From NCERT
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Which of the following is not required in the preparation of a recombinant DNA molecule?
| 1. | Restriction endonuclease | 2. | DNA ligase |
| 3. | DNA fragments | 4. | E.coli |
Subtopic: Â Tools |Â General Design of an rDNA experiment |
 75%
From NCERT
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Lysozyme should be used when isolating DNA in a pure form from:
| 1. | A bacterial cell | 2. | A fungal cell |
| 3. | A plant cell | 4. | An animal cell |
Subtopic: Â Process of Biotech |Â Restriction Enzymes - Main Enzymes |Â General Design of an rDNA experiment |
 87%
From NCERT
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- 1(current)
Q. No.
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