Which element is most particularly associated with organic chemistry?
A. carbon
B. sulfur
C. nitrogen
D. hydrogen
E. oxygen
Ans: A. carbon
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To date, ____ plant genomes have been partially or fully sequenced, which will open new doors for research
a. five b. ten c. several dozen d. several hundred e. several thousand
During the Uruguay round of GATT negotiations, the United States sought to
a. liberalize trade in agricultural products. b. increase the number of quotas on finished goods. c. liberalize the use of embargoes. d. tighten the role of GATT in excluding services.
Barophiles ____.
a. cannot cause disease in humans b. live at a normal barometric pressure c. die if put under high pressure d. thrive in warm air
Answer the following questions true (T) or false (F)
1. Only eukaryotic cells have membrane-bound organelles. 2. It is estimated that there are more bacteria in your mouth than the number of people who have ever lived. 3. The typical animal cell is 25 micrometers in diameter.