Which of the following quantities are equal?
A. 2? radians and 360°
B. 270° and 3/4 revolution
C. both A & B
D. none of the above
C. both A & B
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Water molecules move across cells by
A) osmosis. B) primary active transport. C) secondary active transport. D) activity of the sodium-potassium pump. E) phagocytosis.
What substance can act as a retrograde messenger to suppress release of GABA to contribute to LTP?
A. Acetylcholine B. Carbon monoxide C. Norepinephrine D. Endocannabinoid
The lymphatic capillaries are ________.
A) more permeable than blood capillaries B) less permeable than blood capillaries C) as permeable as blood capillaries D) completely impermeable
Saliva is rich in sulfate buffers, which neutralize acids in food and acids produced by bacteria in the mouth
a. True b. False Indicate whether the statement is true or false