Differential media may allow for visual differentiation of organism colonies.

Thermal death time is the longest length of time required to kill all test microbes at a specified temperature.

Microorganisms are unimportant when considering bodies of water.

A vector may be biological or mechanical.

A ____ may be secreted by a bacteria.

In positive staining, the dye is repelled from the microbe.

A disease that is sporadic is ___.

A narrow spectrum antibiotic should be administered when the specific type of bacteria is not known.

Viral particles are composed solely of a covering.

Sporulation in bacteria is a reproductive mechanism.