Moderate

What was discovered by investigators studying the sex-life of the intestinal bacterium Escherichia coli?

Correct answer: B. Plasmids

  • A. Restriction enzymes
  • B. Plasmids
  • C. DNA ligases
  • D. Sticky ends

Explanation

Plasmids were discovered by investigators studying the sex life of the intestinal bacterium Escherichia coli.

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