DNA and RNA Structure MCQs part 1 9:35:00 AM Posted by AEI Online Tutor No Comments DNA and RNA Structure MCQs part 1 1. A peculiar cytochrome is observed in bacteria and it can react with molecular oxygen, what is it? Cyt b Cyt c Cyt d Cyt o Answer 2. The genetic material in HIV is ds DNA ss DNA s RNA None of these Answer 3. Which one of the following mutagens act only on replicating DNA? Ethidium bromide Nitrosogeranidine Acridine orange None of above Answer 4. Poly A tail is frequently found in Histone in RNA Bacterial RNA eukaryotic RNA tRNA Answer 5. Which of the following is an example of RNA virus? SV 40 T4 phage Tobacco mosaic virus Adeno virus Answer 6. Genomic DNA is extracted, broken into fragments of reasonable size by a restriction endonuclease and then inserted into a cloning vector to generate chimeric vectors. The cloned fragments are called Clones Genomic library mRNA None of these Answer 7. Transgenic animals are produced when GH gene fused with MT gene GH GRF FIX Answer 8. In which medium the hydridoma cells grow selectively? Polyethylene glycol Hypoxanthine aminopterin thyminine Hypoxathing-guaning phosphoribosyl transferase Both b and c Answer 9. The enzymes which are commonly used in genetic engineering are Exonuclease and ligase Restriction endonuclease and polymerase Ligase and polymerase Restriction endonuclease and ligase Answer 10. A successful hybridoma was produced by fusing Plasma cells and plasmids Plasma cells and myeloma cells Myeloma cells and plasmids Plasma cells and bacterial cells Answer DNA and RNA Structure MCQs Parts => 1.. 2.. 3.. 4.. Share this AEI Online Tutor
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