Bacterial Recombination · Zoology

Which bacterium was first shown to undergo natural transformation?

  1. Escherichia coli
  2. Streptococcus pneumoniae
  3. Salmonella typhi
  4. Mycobacterium tuberculosis
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Correct answer: Streptococcus pneumoniae

Griffith’s experiment demonstrated transformation in Streptococcus pneumoniae. It showed that genetic material from dead cells could alter living cells.

Difficulty: Medium Question 4 of 20

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