What is NOT true about upwelling?
A. It brings colder water to the surface.
B. It only occurs in the Northern Hemisphere.
C. It is caused by currents pulling away from land.
D. It contributes to productive marine ecosystems.
E. It produces cooler temperatures on west coasts
B
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Upon entering the body, are drugs gradually oxidized or reduced?
A. Drugs are not oxidized or reduced. They are simply metabolized. B. The drugs are broken down, or reduced to smaller products during the metabolic process. C. The body's mechanisms for oxidizing foods act on drugs causing them to be oxidized as well. D. Some drugs are oxidized and some are reduced, depending on the type of drug ingested.
The meanings of elevation and relief imply that
A) elevation and relief are the same when the location is far inland. B) elevation cannot be smaller than relief except when comparing areas below sea level. C) relief must always exceed elevation in coastal areas but elevation must always exceed relief in mountainous areas. D) the units of measurement of elevation must be different from the units of measurement of relief.
Arriving at the hotel for the meeting, a woman decides to get a workout in the pool. Upon stepping into the pool area, she quickly finds it difficult to breathe because of the high levels of chlorine in the air above the pool
This woman is experiencing A) a lethal reaction to the chlorine in the air. B) a chronic reaction to the chlorine in the air. C) an acute reaction to the chlorine in the air. D) a carcinogenic reaction to the chlorine in the air.
Which of the following is commonly associated with protein modification?
A) phosphorylation B) dephosphorylation C) both a and b D) neither a nor b