#Question id: 5239
#Part-A Aptitude & General Biotechnology
Which of the following statements is not true for Hfr strains of E. coli ?
#Question id: 5240
#Part-A Aptitude & General Biotechnology
If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?
#Question id: 5241
#Part-A Aptitude & General Biotechnology
Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?
#Question id: 5242
#Part-A Aptitude & General Biotechnology
Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?
#Question id: 5243
#Part-A Aptitude & General Biotechnology
Auxotroph culture (His- and Lac-) culture of E. coli was mutagenised. On what media would one spread the mutagenised cells to select prototroph for both His+ and Lac+ cells?
#Question id: 5244
#Part-A Aptitude & General Biotechnology
Transformation can used to map bacterial gene, which of the following statement is correct?