Multiple choice

The naturally occuring bacteria in humans and apes is

  1. salmonella

  2. shigella

  3. staphylococcus

  4. clostridium

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Shigella is a genus of Gram-negative, nonspore forming, rod-shaped bacteria closely related to Escherichia coli and Salmonella. It is only naturally found in humans and apes. During infection, it typically causes dysentery.