Negative selection serves to delete those T-cells whose antibody receptors bind too strongly to self-peptide:self-MHC complexes presented by thymic cells.

In a timeline of a T-cells life, you would expect to see a double positive thymocyte ________ a double negative thymocyte.

The longest reigning European monarch is ___________________.

What country was the center of the leather industry in Europe?

What illness did Queen Elizabeth I suffer from that made her vainer about her appearance as a result of scarring?

The longest reigning European monarch is ___________________.

What illness did Queen Elizabeth I suffer from that made her vainer about her appearance as a result of scarring?

Hudson’s Bay is one of the oldest retail companies in the world.  It was originally formed as a fur trading company and the most important fur was______.

What country was the center of the leather industry in Europe?

Louis XIV considered himself the ultimate arbiter of fashion and style.