Q. No.DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by:
1. Polymerase chain reaction
2. Electrophoresis
3. Restriction mapping
4. Centrifugation
1. Polymerase chain reaction
2. Electrophoresis
3. Restriction mapping
4. Centrifugation
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For the multiplication of any alien piece of DNA in an organism, it needs to be part of a chromosome that has a specific:
| 1. | Telomeric sequence | 2. | Multiple cloning sites |
| 3. | Ori | 4. | Selectable marker |
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The first type II restriction endonuclease whose functioning depended on a specific DNA nucleotide sequence was:
| 1. | EcoRI | 2. | HindII |
| 3. | SmaI | 4. | BamHI |
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Which of the following cannot be used as a vector in rDNA technology?
| 1. | Plasmid | 2. | Phage DNA |
| 3. | Bacterium | 4. | YAC |
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The following palindrome is recognized by the restriction enzyme:
| 1. | BamHI | 2. | EcoRI |
| 3. | HindII | 4. | PstI |
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Which of the following does not have the ability to replicate within bacterial cells independent of the control of chromosomal DNA?
| 1. | Plastid | 2. | Bacteriophages |
| 3. | BAC | 4. | Plasmid |
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A method used only for transforming animal cells is:
| 1. | Biolistics | 2. | Microinjection |
| 3. | Use of virus | 4. | Agrobacterium mediation |
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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 |
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In recombinant DNA experiments, a vector:
| 1. | carries DNA into a new cell |
| 2. | links together newly joined fragments of DN |
| 3. | makes millions of copies of a specific segment of DNA |
| 4. | separates fragments of DNA by their length and electrical charges |
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