Bacterial Recombination · Zoology

If a bacterium lacks RecA protein, which process will be most directly affected?

  1. Routine binary fission during growth
  2. Overall cellular protein synthesis capacity
  3. Homologous recombination after DNA transfer
  4. Adsorption of bacteriophages onto the cell surface
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Correct answer: Homologous recombination after DNA transfer

RecA is essential for homologous recombination of incoming DNA with the host genome. Without RecA, transferred DNA cannot be stably integrated.

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