H. pylori is a bacterium that causes stomach ulcers. What can you conclude from the data shown below which indicates bacteria found in the stomach of people with and without an H. pylori infection?

Question

Quizplus · Accepted Answer

The data shows a higher percentage of Proteobacteria in the stomachs of people with H. pylori infection compared to those without, indicating that uninfected people have less Proteobacteria in their stomachs. Option A is not supported by the data as it only shows the proportion of Proteobacteria in the stomach and not the total number of bacteria. Option C cannot be inferred from the data. Option D is not supported by the data as the proportions of other bacterial phyla may differ between infected and uninfected individuals.

H Pylori Is a Bacterium That Causes Stomach Ulcers