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Racial categories based on skin color were historically used to justify:

When elements of culture spread to new places—and they are significantly modified, scholars refer to this process as:

Rural local cultures are often dependent on a single economic activity.  Customs, beliefs, and artifacts are often intimately bound up with the economic activities. For example, the customs of the Plains Indians in early nineteenth-century North America focused on 

Imipenem is a Carbapenem that contains which of the following properties?

The mechanism of action of penicillins is:

There are four basic actions that can occur to cause drug resistance by an organism. Which 4 of the following can occur?

Match the generations of cephalosporins with the proper definition

Cephalexin is a first generation cephalosporin and Keflex is a trade name.

Penicillins have low toxicity but are unlikely to cause an allergic reaction.

Which of the following are 3 causes of drug-resistance emergence?