How many subunits make up complex III of the electron and H+ transport chain?
A) 6
B) 11
C) 13
D) 21
B
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The earliest fish had
a. plated skin. d. lungs. b. jaws. e. ray-fins. c. spiny skin.
Why does Europe have a mild climate despite its high latitude?
a. Tilt of Earth b. Global warming c. Warm water that originate in tropical parts of the Atlantic Ocean d. Lack of glaciers e. Large volume of emissions from industrial and manufacturing centers
Which type of country would you expect to have already depleted its reserves of strategic minerals? A strategic mineral is defined as one that is essential to national defense.
A. more-developed B. less-developed C. emerging (like China) D. third world
An object travels 8 m in the 1st second of travel, 8 m again during the 2nd second of travel, and 8 m again during the 3rd second. Its acceleration is therefore
A) 0 m/s2. B) 5 m/s2. C) 8 m/s2. D) 10 m/s2. E) more than 10 m/s2.