Which of the following is true of B-DNA?
A) It is a perfectly uniform helix with no grooves.
B) It is a helix with a single type of groove.
C) It is a helix with two types of grooves - major and minor.
D) It is a helix with three types of grooves - major, intermediate and minor.
C
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Which of the following is the smallest scale of atmospheric motion?
A. microscale B. mesoscale C. synoptic scale D. macroscale
Oceanic crust is primarily ____________ rock. Fill in the blank(s) with the appropriate word(s)
In the eastern US the decreasing amounts of water vapor northward of the Gulf of Mexico is due to [INSERT FIGURE 5-10B. INCLUDE CAPTION]
A) conduction B) radiation C) transport D) supergeostrophic flow
Which of the following is a weak electrolyte?
A) HCl B) CH3COOH C) both a and b D) neither of them