Salt Treatment Tap Water Treatment Distilled Water Treatment   Which of these experimental conditions is hyprtonic and which is  isotonic?

Which of the following prevented an aerotolerant anaerobic, mesophilic and halophilic bacterium from contaminating your home aquarium? the water was at 37ºC you placed a high amount of glucose into the aquarium you placed several pennies in the aquarium you were using a .45 um filtering unit you placed carbon dioxide instead of oxygen into the aquarium

Other than treated water, what are the final products ofwastewater treatment? How might these end products be used?

The following plates were inoculated with organisms A, B, C, and D on each sector of this plate. Each plate was grown at the the temperature indicated (4C, 25C, 40C, and 60C). Choose the organism that is the psychrophile.    A B D C

Exaplain the biodegradation of nitrates. Provide a chemical formula to show this process

You applied hydrogen peroxide to a bacterial culture growing on a Petri dish and obtained bubbles within 10 seconds of application. What test did you perform? Catalase O Oxidase Triple Sugar Iron agar O MacConkey agar

Why is secondary treatment of water in sewage treatment plant called biological treatment?

Which of the following is NOT a feature associated with filtration?   sterilization of heat-sensitive materials use of HEPA filters to filter air ability of some filters to trap viruses and proteins nitrocellulose or plastic membrane filters varying thicknesses of membrane filters used

Which is more Suitable for long-term storage: agar slant or plate? Explain why?

Consider the solutions shown in the containers below. The composition of each solution is given in the image. 0.15 Mlactose isotonic hypotonic hypertonic crenation hemolysis no change A 0.28 M Urea B Fill the blank with the appropriate term from the list below. 0.16 MKCI The tonicity of the solution in container C is