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A __________ is a new substance formed by chemically combining two or more atoms of different elements.

When acids and alkalis are mixed together in equal proportions, they __________ each other.

A __________ substance causes or is believed to cause cancer.

An upper respiratory specimen contains many indigenous organisms which may be time consuming, cost prohibitive, and insurmountable to identify. What should the microbiologist do?

The specimen of choice for detecting gastrointestinal pathogens is

In certain instances, it is desirable for specimens to be inoculated directly onto culture media. Specimens for this pathogen can be placed onto a commercial transport system called a James E. Martin Biological Environmental Chamber (JEMBEC) system. What pathogen is this?

The comprehensive safety program for the microbiology laboratory needs to fulfill all the following provision, except:

A bacterial smear may indicate a polymicrobial infection when

The biosafety levels were categorized using all the following criteria, except

This assessment has a Spanish interpretation.