TASK DEFINITION: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
PROBLEM: The enzyme LCAT catalyzes the formation of an ester from this compound. Intermediates in the synthesis of this compound include squalene [SKWAY-leen] and mevalonate [muh-VAL-uh-nate], the latter of which is produced by HMG-CoA reductase. Vitamin D is formed from the 7-dehydro form of this compound, which reduces membrane fluidity. This compound, which is transported to the liver by high-density lipoprotein, is linked to heart disease. For 10 points, name this compound whose amount in the blood is lowered by statins such as Crestor and Lipitor.

SOLUTION: Science

PROBLEM: This country's early railways include the spiral tunnels of the Gotthard line, and its Glacier Express railroad has a terminus at St. Moritz. This home of the vineyard terraces at Lavaux ("luh-VOE") is home to a castle where Lord Byron's poem "The Prisoner of Chillon" is set. This country hosts the yearly World Economic Forum at Davos. This country includes about eighty thousand speakers of Romansh, its fourth official language. For 10 points, name this landlocked European country home to Lake Lucerne, whose Alps include the north face of the Matterhorn.

SOLUTION: History

PROBLEM: These cytokines were first recognized in 1957 by Alick Isaacs and Jean Lindenmann. The beta, or fibroblast varieties, are made by skin cells; white blood cells make the alpha varieties. The gamma varieties are made by lymphocytes after antigen stimulation and are also called interleukins. For ten points, what class of compounds inhibits the transcription of viral nucleic acid, thus giving them their name.

SOLUTION:
Science