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An illness outbreak occurs in New York City birds in the late 1990s. After a lengthy scientific investigation, the Centers for Disease Control (CDC) determine that the agent causing the birds to die is the West Nile virus. Outbreaks of this illness have been observed in several other countries in Asia and the Middle East across the last 50 years, but not in the United States. With this information, what would be the best categorization of this infectious agent/disease?

Which of the following does NOT describe a way for the body to create millions of different kinds of antibodies?

What can you learn from a flagella stain?

Which of the following structures is used by prokaryotes for attachment to a surface?

Endospores are resistant to

The process where a cell uses a ribosome to create a polypeptide using an mRNA as a template is called

A scientist discovers a new species near coral reefs in Australia. On basic microscopic examination and after conducting a few simple experiments, he finds that this single-celled species is photosynthetic (uses sunlight for energy), has a rigid cell wall structure with no peptidoglycan, uses a flagellum for motion, and contains a variety of internal structures that are bound by plasma membranes. Given this information, this new species is most likely belongs to which group?

Which domain contains organisms that have a nucleus and membrane-bound organelles?

Which of the following is a place where you would NOT expect to find microorganisms living?

When a scientist uses the word “theory”, what does it mean?