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Unformatted text preview: cyanide, CN-, that inhibits the conversion of O 2 to water in a cell? a. Sarin b. Fe 3+ c. Ca 2+ d. Fe 2+ Q8 (0.5 points) Which of the following functions as a poison when it inhibits an enzyme by distorting the shape of its active site? a. Sarin b. Ca 2+ c. Fe 3+ d. Hg 2+ Q9 Alcoholic beverages are known to be which one of the following? a. Carcinogen b. Mutagen c. Teratogen d. Endocrine disrupter Q10 The largest source of radiation to which the average human is exposed in a year is which one of the following? a. Nuclear fuel cycle of a power plant b. X-rays c. Inert gas, Rn-222 d. Fallout from the development and use of nuclear devices (such as left over radiation from World War II) Q11 How many standard chest X-rays are required per year to have the same biological risk as 1 yr of exposure to natural radiation (from soil, cosmic rays, etc.)? a. 10 b. 30 c. 100 d. 500...
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This note was uploaded on 10/19/2011 for the course CHEM 83 taught by Professor Bonk,j during the Fall '08 term at Duke.
- Fall '08