We can identify a wide variety of bitter substances because ____
a. we have many different bitter receptors
b. we have only one bitter receptor that responds to all bitter substances
c. we can combine the activity of the sour and salty receptors
d. even Pacinian corpuscles respond to bitter substances
a
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The Army Alpha test:
A) helped determine which soldiers were too traumatized for active duty. B) was used to determine which soldiers had the mental toughness to be successful spies. C) was a mental ability test that helped the army select and place military personnel. D) was a physical ability test that all military personnel had to pass to be considered for combat duty.
According to set-point theory, the size of fat cells is determined by:
a. heredity. b. eating habits during adolescence and adulthood. c. diet during the first two years of life. d. the mother's diet before birth of the child.