As variations are introduced through genetic changes, mutations
A) occur methodically.
B) are non-adaptive.
C) are subject to natural selection.
D) impair reproductive success.
C
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Which of the following is a correct pairing of a disorder with the neurotransmitter thought to play a significant role in its etiology?
a. Pick's disease and dopamine b. Alzheimer's disease and ACh c. Parkinson's disease and GABA d. Huntington's disease and serotonin
According to Berkowitz's (1989) revision of frustration-aggression theory, exposure to all of the following likely increases aggression except
a. very congested traffic. b. cigarette smoke. c. novel but pleasant odors. d. uncomfortably cold temperatures.
The little child who gets a hard spanking for running out into the street is experiencing an operant conditioning procedure called:
a. positive reinforcement c. positive punishment b. negative reinforcement d. negative punishment
Fructose, used in corn syrup as a sweetener, may lead to increased obesity by ____.
A. failing to trigger satiety B. having more calories than other sugars C. slowing fat digestion D. enhancing PVN activity