A piece of DNA, somehow transferred into an alien organism, will be able to multiply itself in the progeny cells of organism if:
1. | It includes the centromere |
2. | It becomes a part of chromosome |
3. | It does not contain any intron sequences |
4. | It is a single stranded polynucleotide |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat controls the copy number of linked DNA if plasmid is used as a vector in bacterial transformation?
1. | Ori | 2. | rop |
3. | Selectable markers | 4. | Promoter in the insert |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is true for the plasmids used as cloning vectors in recombinant procedures?
1. | Ori is responsible for controlling the copy number of linked DNA |
2. | The bacteria lacking R plasmids are resistant to antibiotics |
3. | The vector must have many sites for the same restriction enzyme |
4. | They can carry largest inserts amongst the available cloning vectors |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe most important feature in a plasmid to serve as a vector in gene cloning experiment is:
1. Origin of replication (ori)
2. Presence of a selectable marker
3. Presence of sites for restriction endonuclease
4. Its size
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySome bacteria are resistant to antibiotics. This trait is normally due to:
1. lack of membrane bound organelles
2. presence of a cell wall
3. presence of an extra-chromosomal circular DNA
4. a unique feature called as inclusion bodies
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the given diagram of pBR322, the location of the recognition sequences of BamH I and Sal I are represented by the numbers:
1. | 1 and 2 | 2. | 3 and 4 |
3. | 6 and 7 | 4. | 5 and 8 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA cloning vector has two antibiotic resistance genes: tetracycline and ampicillin. A foreign DNA was inserted into the tetracycline gene. Non-recombinant transformants would survive on the medium containing:
1. | ampicillin but not tetracycline |
2. | tetracycline but not ampicillin |
3. | both tetracycline and ampicillin |
4. | neither tetracycline nor ampicillin |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe Ti plasmid, used in transformation of plant cells, is found in:
1. | Agrobacterium tumefaciens | 2. | Escherichia coli |
3. | Bacillus thuringiensis | 4. | Xanthomonas citri |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology