Exam 20: The Diversity of Prokaryotes and Viruses

For which of the following diseases or conditions should antibiotics be used?

Bovine spongiform encephalopathy, or mad cow disease, is caused by a

Anaerobic bacteria require high levels of oxygen to survive.

Kuru is caused by one of the archaea.

Herpes is caused by a

Many prokaryotes thrive in environments, which lack oxygen.

Why are bacteria able to evolve so quickly?

Lyme disease is caused by _ that are transmitted to humans by deer ticks.

Some archaea can live in boiling water.

Which of the following causes infectious sores on the mucous membranes of the mouth that occur during times of stress?

Cyanobacteria obtain energy from

Mutations that improve the survival and reproduction of organisms, and thus contribute to the evolution of species, arise rapidly in prokaryotes due to their

In what ways are bacteria beneficial to humans?

are used in the production of foods such as yogurt, cheese, and sauerkraut.

is the process by which bacteria return nutrients to the soil.

Rabies is caused by a

Humans can eat live cultures of some bacteria without getting sick.

A bacterium capable of causing disease in a host is a(n) .

Which of the following has no organelles, ribosomes, or cytoplasm?

Creutzfeldt- Jakob disease is caused by a