In the antiviral drug vidarabine the sugar, arabinose, is in what form?
A) a-furanoside
B) b-furanoside
C) a-pyranoside
D) b-pyranoside
B
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The Earth and the Moon rotate around their common ________.
Fill in the blank(s) with the appropriate word(s).
The Trash Track project ________
A) monitors the movement of trash items to improve efficiency of management processes B) allows cities to charge polluters who dump large volumes of trash C) tells managers which items should be recycled D) monitors the amount of hazardous items in municipal waste E) measures the volume of various categories of municipal waste in various cities
Permeability is
A. the ease with which the volume of soil is decreased by compaction. B. the amount of pore space in a rock or soil. C. determined only by grain size of an earth material. D. the ease with which water moves through an earth material.
What percentage of the world's population lives on or near the coast?
A. 10% B. 20% C. 40% D. 70% E. 90%