In our Solar System, Earth is the ………………. planet from the Sun.

Individuals who spend their whole lives in the United States are most likely at one point infected with:

The portion of a population resistant to a particular infection is:

Which is the only disease to be completely eradicated from nature?

The enzyme that is used in transcription is called:

Microbes living on our skin and eating our dead skin cells are:

Opportunistic infections that generally just cause disease in immunocompromised individuals are most often found in which of the following groups:

Mad cow disease, caused by a prion, is:

Which of the following is transmitted by the kissing bug?

True or False:  Fungi can engage in both sexual and asexual reproduction.