The great deserts and associated arid areas of the world mostly lie along the western sides of the continents at about
A. 0° north and south latitude.
B. 30° north and south latitude.
C. 15° north and south latitude.
D. 60° north and south latitude.
E. 90° north and south latitude.
Answer: B
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The difference in the concentration of dissolved particles from one location to another is called a
A.) concentration gradient. B.) concentrated solution. C.) saline solution. D.) dynamic gradient.
What is the role of the sliding clamp during replication?
A. It unwinds the double helix at the replication fork to allow DNA polymerase to progress along the DNA. B. It hydrolyzes ATP to push the DNA polymerase along the DNA template. C. It keeps DNA polymerase attached to the template while the polymerase synthesizes a new strand of DNA. D. It loads DNA helicase onto the replication fork. E. It keeps the RNA primer attached to the lagging strand.
The strand of DNA that is not transcribed is called the ________.
A. noncoding strand B. complementary strand C. template strand D. coding strand
Which of the following reactions makes wine less acidic, and is important for good flavor when grapes with higher acidity are used?
A) sugar ? ethanol B) ethanol ? acetic acid C) malic acid ? lactic acid D) carbon dioxide ? sucrose E) sugar ? CO2 + H2O