For a B cell to be activated, it has to bind to a _________ and a T helper cell.

What early warning system detected a rare complication from a rotavirus vaccine that was then removed from the market by the manufacturer?

After a B cell is activated, it will ___________ itself.

After World War I, Italy took which of the following positions in regard to its participation in the conflict?

Postwar Italian politics was characterized by which of the following?

Which of the following countries was the only country to use women as combatants in World War II?

At the Twentieth Congress of the Communist Party in 1956, Khrushchev controversially did which of the following?

The Nazi rule of Europe was most ruthless in which of the following regions?

How are Hitler’s anti-Semitic policies in the 1930s best described?

Under Vladimir Putin’s presidency, all of the following occurred EXCEPT which one?