Multiple choice

Which of the following bacteria gives Cry proteins?

  1. E. coli

  2. Bacillus anthracis

  3. Yersinia pestis

  4. Pseudomonas

  5. Bacillus thuringiensis
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Bacillus thuringiensis (Bt) is a spore forming bacterium that produces crystal proteins (Cry proteins), which are toxic to many species of insects.

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