Exam 9: Bioremediation

Which of the following is an example of solid phase bioremediation?

Bioaugmentation is a process that involves ________.

Which bacterium is capable of withstanding doses of radiation that are several times higher than human cells can tolerate?

Compounds that cause cancer are called ________.

Which is NOT an indigenous microbe used for bioremediation?

Ananda Chakrabarty received the first U.S. patent for a GM organism. This organism was ________.

Which bioremediation approach involves mixing contaminated soil with water, carbon dioxide, and fertilizers in a bioreactor to stimulate biodegradation?

During which stage of wastewater treatment is the primary effluent aerated to allow for biodegradation by aerobic microbes?

Which bioremediation approach involves using plants to degrade pollutants?

What is phytoremediation and why is it used?

The source of polyvinylchloride as a chemical pollutant is ________.

Anaerobic bacteria often play important roles in bioremediation. Which of the following is NOT an electron acceptor used by anaerobes during biodegradation reactions?

The source of dioxin as a chemical pollutant is ________.

The source of cyanide as a chemical pollutant is ________.

Bioremediation often requires the gain or loss of electrons as a mechanism to assist the process. Gain of electrons is known as ________.

Bioremediation often requires the gain or loss of electrons as a mechanism to assist the process. Loss of electrons is known as ________.

Aerobic degradation (pumping air or hydrogen peroxide into the contaminated site) is also known as ________.

Spreading contaminated soil on a pad so that water and other compounds can leak out of the soil is known as ________.

Which cleanup approach involves removing groundwater or soil from its natural setting to allow for bioremediation?

Define oxidation and reduction reactions and explain why they are the key components to cleaning up the environment.