Q. During Frederick Griffith’s experiments what type of colonies were generated by the capsulated pneumococci?

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Q. What is the function of the capsule of the bacterial cells?

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Q. How many types of bacterial capsule are present for pneumococcus depending on the genotype of the cell?

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Q. The genetic information is stored in DNA rather than protein.

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Q. In the following which bacteria only take up their own DNA?

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Q. How many copies of special short nucleotide pair sequences for identification are present in H. influenzae and N. gonorrbacae?

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Q. What do you mean by competent bacteria?

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Q. Competence in a bacteria ___________

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Q. In which phase bacteria develop competence?

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Q. In which bacteria competence pheromones was first identified?

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Q. What is the percentage of DNA molecules taken up by competent cells during the transformation?

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Q. Transformation of E. coli does not occur.

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Q. During conjugation the Donor cell have cell surface appendages known as ____________

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Q. What is the size of the F factor that is involved in conjugation?

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Q. In how many states the F plasmid can occur within bacteria?

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Q. By which of the following methods does the F plasmid integrates into the bacterial genome?

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Q. High frequency recombination cell contains an integrated F factor. What is the name of such a cell?

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Q. What is the strain of the Hfr⁺ cell where the F factor is integrated near the tbr and leu loci?

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Q. Transformation, transduction and conjugation occur in every bacterial cell.

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Q. Where do the chimera molecules propagate?

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