A Headline in the June 12, 2009, Issue of Science

question 52

Essay

A headline in the June 12, 2009, issue of Science Daily proclaimed that "MicroRNA Replacement Therapy May Stop Cancer in Its Tracks." The article described a study in which a virus was used to deliver a microRNA gene to cancerous and noncancerous liver cells in mice. Aggressive liver tumors were stopped in their tracks in 8 out of 10 treated mice. Explain how delivery of a gene encoding microRNA might be able to reduce the growth of cancer cells.

Analyze the effects of exchange rate fluctuations on a nation's economy.

Interpret the role of statistical discrepancies in balance of payments.

Understand the dynamics between currency exchange rates and international trade.

Explain how international transactions are recorded in the balance of payments.