Sodium channels play a key role in the perception of
a. acids.
b. umami.
c. salts.
d. sugars.
e. toxic alkaloids.
Answer: c. salts.
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Based on recent research, we would expect that people with schizophrenia, Alzheimer's disease, or chronic pain may have dysfunction in their
a. occipital lobes. b. glial cells. c. endorphin systems. d. somatic nuclei.
Which of the following is NOT a necessary component for describing or defining a group?
a. a group consists of two or more individuals b. members of a group are cohesive c. members of a group are interdependent d. members of a group interact
Orexin is not necessary for waking up, but it is for staying awake
a. True b. False Indicate whether the statement is true or false
What social threat to internal validity occurs when one group knows about the program another group is receiving and, because of that, develops a competitive attitude with the other group?
a. diffusion of treatment b. compensatory rivalry c. resentful demoralization d. compensatory equalization