The use of bacteria to help clean up waste water at a city waste-treatment plant is an example of: Industrial microbiology Pharmaceutical microbiology Industrial ecology Pharmaceutical ecology Biotechnology Which of the following is a useful organic product produced by microorganisms? Alcohol Acetone Glycerol All of these. None of these. A whole organism rich in protein, often used in animal feeds is known as a: Hybridoma Single cell protein Prion Protozoa Multi-cell protein Which cut of meat would you expect to have the largest number of contaminating microbes per gram? a beef streak wrapped at the grocery a side of beef aging in the slaughter house a package of ground beef a pork chop wrapped at the grocery lonizing radiation is the most effective food preservative for controlling microbial growth on fresh fish killing insects in spices reducing spoilage of fresh fruits and vegetables All of these.