Title: Karl Popper.
Question: The 1919 riot involving Popper's comrades was part of what larger political move?

Title: To Kill a Mockingbird.
Question: According to Lee, her book simply expressed a Christian code of honor and conduct inherit to whom?

Title: Federalism.
Question: How many components does the Belgian federalism have?

Title: Gene.
Question:
How many unpaired bases does each tRNA have?