Q. No.Which one of the following represents a palindromic sequence in DNA?
1. 5' - GAATTC - 3'
3' - CTTAAG - 5'
2. 5' - CCAATG - 3'
3' - GAATCC - 5'
3. 5' - CATTAG - 3'
3' - GATAAC - 5'
4. 5' - GATACC - 3'
3' - CCTAAG - 5'
1. 5' - GAATTC - 3'
3' - CTTAAG - 5'
2. 5' - CCAATG - 3'
3' - GAATCC - 5'
3. 5' - CATTAG - 3'
3' - GATAAC - 5'
4. 5' - GATACC - 3'
3' - CCTAAG - 5'
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Biolistics (gene-gun) is suitable for:
| 1. | Disarming pathogen vectors |
| 2. | Transformation of plant cells |
| 3. | Constructing recombinant DNA by joining with vectors |
| 4. | DNA fingerprinting |
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In genetic engineering, the antibiotic resistance gene are used:
1. As selectable markers
2. To select healthy vectors
3. As sequences from where replication starts
4. to keep the cultures free of infection
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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
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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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