Which of the following can cause many diverse diseases including impetigo, toxic shock syndrome, necrotizing fasciitis, and food poisoning?

Humans encounter Legionella pneumophila from which of the following sources:

Which will be encountered as mold form and change to yeast to survive inside alveolar macrophages?

What is a major threat to the health and well-being of Americans?

Each of the following immunizations is currently used in the United States as standard medical practice EXCEPT:

Which organism may elicit an autoimmune reaction that can damage heart valves and cause rheumatic fever?

Which of the following toxins associated with whooping cough kills ciliated epithelial cells and stops mucus flow in the respiratory tract?

Which organism is usually directly inhaled into the alveoli to initiate infection, as opposed to aspiration from the nasopharynx?

The location where RNA polymerase binds to the DNA molecule to start transcription is called the ________ site.

Combine the sentence pairs using a semicolon and a conjunctive adverb (with a comma if needed).   Chase and his friends studied every day during the three-day weekend.The professor gave them good grades on the exam.