Organisms called _________blank live on or in the body of a host and cause some degree of harm.

Cultures of a bacterial strain were incubated in a refrigerator (5°C), on a lab bench (22°C), in a 37°C incubator, and in a 50°C incubator. After incubation, there was no growth at 37°C and 50°C, slight growth in the refrigerator, and abundant growth on the lab bench top. Which term best describes this organism?

Oncogenic viruses include the measles virus.  

Physical agents for controlling microbial growth include all of the following except _____________.

The shortest length of time required to kill all test microbes at a specified temperature is the thermal death point.

Microbial death occurs when there is __________.

Microorganisms that live in severe habitats, such as very hot, acidic, or salty environments, are called ____________.

A naked virus has a/an  ______.

Which of the following represents one of the four major targets of antimicrobial agents?

Viruses are used to produce vaccines for prevention of certain viral infections.