An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is correct?

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#Question id: 5243

#Microbiology

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?

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#Question id: 5244

#Microbiology

Transformation can used to map bacterial gene, which of the following statement is correct?

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#Question id: 5245

#Microbiology

Which method of gene transfer involves direct contact between the bacteria?

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#Question id: 5246

#Microbiology

The end result of F factor mediated conjugation:

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#Question id: 5247

#Microbiology

Which of the following is not a protein or group of proteins required for conjugation to occur?

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#Question id: 5248

#Microbiology

Which of the following is a description of generalized transduction?