a. A nitrogen-free medium _____ contain an inorganic source of nitrogen. Therefore, organisms that can live on this medium must be able to utilize _____. b. Take a heavy inoculum of the nitrogen-free ...
Amid growing global concern over food security, public health and environmental pollution, a Professor of Microbiology, ...
A. Water microbiology is the _____ _____. This is done to determine what organisms are present, and if they are helpful or harmful. B. The safety of water for drink and contact is the main ...