Which of the following can make competent bacterial cells? Exposing cells to a s

Question

Which of the following can make competent bacterial cells? Exposing cells to a strong electric field Treating the cells chemically Anything that makes the cell membrane more permeable to DNA Allowing the culture to enter stationary phase growth All but D A purine is a _____ molecule, while a pyrimidine is a ____ molecule. one-ring, two-ring one-ring one-ring two-ring, one-ring two-ring, three-ring two-ring, two-ring Write 'T' if the statement is true and 'F' if the statement is false. In the case of genetic exchange in bacteria by transformation, there is an exchange of DNA back and forth between cells, and a complete diploid cell is formed All the cells in a bacterial colony are genetically identical. In F + times F- crosses, none of the bacterial chromosome is transferred; only the F factor is A _____ inversion involves the centromere paracentric homocentric concentric pericentric pericentric

Explanation / Answer

Ans 1 E all but D

Not all bacterial cells can take up exogenous DNA. They can be made competent using chemical or electrical processes. The electrical process is called as electroporation.

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