What name is given to any (organic or inorganic) nonprotein portion of an enzyme?
A) apoenzyme
B) coenzyme
C) cofactor
D) substrate
C
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Data on atmospheric carbon dioxide concentrations from Mauna Loa, Hawaii, show that
A) there is no consistent pattern in carbon dioxide concentration fluctuations. B) carbon dioxide concentrations decrease in winter. C) outgassing from the active volcanoes in Hawaii renders the data unusable. D) the concentration of carbon dioxide in the atmosphere is increasing. E) none of the above
Which pair of concepts or entities from South Africa and the United States is the best match?
A) apartheid - "Jim Crow" laws B) homelands - blockbusting C) South African Nationalist Party - U.S. Tea Party D) Nelson Mandela - white flight E) apartheid - U.S. Libertarian Party
According to the concentric zone model, a city develops in a series of
A) corridors. B) nodes. C) rings. D) sectors. E) quadrants.
Carbon monoxide concentrations in the upper atmosphere have been climbing for over a century due to increasing industrialization.
Answer the following statement true (T) or false (F)