Which of These Microorganisms is Most Likely to Be Found

Question

Which of these microorganisms is most likely to be found in the human stomach?
A) Helicobacter pylori
B) Streptococcus sobrinus
C) Streptococcus mutans
D) Roseobacter denitrificans

Accepted Answer

Helicobacter pylori is a bacterium that can survive in the acidic environment of the stomach and has been found to be a common inhabitant of the human stomach. Streptococcus sobrinus and Streptococcus mutans are commonly found in the human oral cavity, while Roseobacter denitrificans is typically found in marine environments.