Use the Following Information to Answer Questions

question 89

Multiple Choice

Use the following information to answer Questions
A scientific study looked at the effect of tanning beds on DNA damage. The scientists took skin cells and exposed them to UV radiation (the type used in indoor tanning beds) for different lengths of time: some for 1 minute, some for 5 minutes, some for 15 minutes, and some for 30 minutes. They then looked for signs of DNA damage and compared the results to cells that had never been exposed to UV light.
-What is the control in this experiment?

• A) the number of skin cells
• B) the type of light
• C) the length of time the cells are exposed to UV light
• D) the untreated cells
• E) the amount of DNA damage in the cells

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Definitions:

Inflation

The pace at which overall prices for products and services escalate, causing the value of money to decline.

Unemployment

The condition of being capable and willing to work, but unable to find employment.

Money Supply

The complete aggregate of monetary assets in an economy at a certain moment.

Natural Rate of Unemployment

The level of unemployment consistent with a stable rate of inflation, determined by the structure and dynamics of the labor market.