Exam 21: Microbiology of the Built Environment

Organisms that degrade hydrocarbons in crude oil are ubiquitous in the environment and have evolved special strategies,such as surfactant production,that allow them to readily use hydrocarbons as electron donors and carbon sources.

MOST wastewater treatment facilities employ methods designed to detect each pathogenic organism that may be present in a given sample.

To prevent the souring of crude oil,________ is added to oil well injection water to encourage ________ instead of ________.

Natural underground pyritic deposits that are not disturbed by mining activities do not form acidic drainage waters.Why not? Explain the critical steps in the formation of acid mine drainage in your answer.

What role does Acidithiobacillus ferrooxidans play in the copper leaching process?

BOTH physical and chemical methods are used to treat and purify drinking water.

The goal of wastewater treatment is to