5.2.3: Exercise #27 - Lab Wrap-Up

Answer the following questions:

1. Describe the consequences of a neutrophile being grown in a medium with pH 5.5. Include what occurs at the molecular level within the cell.
2. The organism Vibrio cholerae thrives at a pH above 8. Would a patient taking a proton-pump inhibiting drug be more or less likely to acquire an infection with this bacterium? Explain your answer.
3. When bacteria carry out fermentation, they produce organic acids. Explain how this could impact the growth of bacteria in a culture medium and why?
4. Some bacteria produce the enzyme urease, which acts to convert urea to ammonium. Describe how this process could impact bacterial growth in the medium.