True or False: Viruses replicate outside of host cells and are therefore extracellular pathogens. 

True or False: Xylem transports sugars in vascular plants. 

___________ are microorganisms that cause infectious diseases in humans. 

Which U.S. president served more than two terms as president?

Which term does not belong in the list? Think of Daniel Elazar.

The Bill of Rights did not apply to the states in 1800. 

Who is most closely associated with isolationism?

The President of the United States has a line-item veto.

According to current U.S. Supreme Court doctrine, which of the following is not a “person” under the U.S. Constitution?

The main clause at issue in United States v. Lopez (1995) was ____.