Q. No.In transgenics, the expression of transgene in the target tissue is known by
1. Enhancer
2. Transgene
3. Promoter
4. Reporter
1. Enhancer
2. Transgene
3. Promoter
4. Reporter
The linking of antibiotic resistance gene with the plasmid vector became possible due to
1. DNA polymerase
2. Exonucleases
3. DNA ligase
4. Endonucleases
Given below is a sample of a portion of DNA strand. What is so special shown in it
5' GAATTC 3'
3' CTTAAG 5'
1. Replication completed
2. Deletion mutation
3. Start codon at the 5' end
4. Palindromic sequence of base pairs
There is a restriction endonuclease called EcoRI. What does ‘co’ part in it stand for?
1. Colon
2. Coelom
3. Coenzyme
4. coli
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Agarose extracted from sea weeds finds use in
1. Spectrophotometry
2. Tissue Culture
3. PCR
4. Gel electrophoresis
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Which one of the following techniques made it possible to genetically engineer living organisms?
1. Recombinant DNA techniques
2. X-ray diffraction
3. Heavier isotope labeling
4. Hybridization
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The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?
Options:
1. B - Denaturation at a temperature of about 98°C separating the two DNA strands.
2. A - Denaturation at a temperature of about 50°C
3. C - Extension in the presence of heat-stable DNA polymerase
4. A - Annealing with two sets of primers
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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'
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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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Restriction endonuclease
1. Cuts the DNA molecule randomly
2. Cuts the DNA molecule at specific sites
3. Restricts the synthesis of DNA inside the nucleus.
4. Synthesizes DNA.
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