Which of the following is catalyzed by arginase?
A) the conversion of D-arginine to urea and D-ornithine
B) the conversion of L-arginine to urea and L-ornithine
C) the conversion of L-arginine to urea and D-arginine
D) the conversion of both the D and L forms of arginine to urea and the D and L forms of ornithine
B
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The first fossil fuel to be used by man was oil which was followed by coal.
Answer the following statement true (T) or false (F)
The western intensification causes water to pile up ________, forcing it to flow ________ in strong currents
A) along western shores of continents; downward, then eastward B) around the subtropical highs; in all directions C) at the equator; eastward and westward D) against eastern shore of continents; northward and southward
What did the U.S. Immigration Reform and Control Act (IRCA) legalize?
A) undocumented aliens since 1982 B) young immigrants deported to Mexico C) law enforcement investigation of immigration status D) immigrant victims of hate crimes E) none of the above
Which of the following is a major difference between CBDs in Europe and those in the U.S.?
A) Fewer people live in Europe's CBDs compared to the U.S. B) Just like the U.S., wealthy people tend to avoid living in the CBD in Europe. C) More people live in Europe's CBDs compared to the U.S. D) Property values are lowest in CBDs in Europe, a marked difference with the U.S. where property values are highest. E) European CBDs make no attempt to preserve their historic buildings.