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What are bacteriocins?

  • A.proteins
  • B.toxins
  • C.plasmid
  • D.sex factor

Answer: A

Correct answer: proteins

Bacteriocins are proteins produced by one strain that kill closely related strains, usually by forming pores or degrading nucleic acid. They are typically plasmid-encoded, and the producing cell carries an immunity protein to protect itself - which is what makes the weapon usable.

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