What can happen when a mutation occurs, and what causes mutations?
What will be an ideal response?
Answers will vary.?
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Stress can produce direct physiological effects, such as __________.
A. elevated blood pressure B. psychological disorders C. decreased hormonal activity D. increases in immune system functioning
Social cognitive theorists suggest that children and adolescents try drugs because they
a. have observed someone else using them or someone recommended them. b. have a genetic tendency toward risky behavior. c. are rebelling against their parents. d. have a biological trigger that causes experimentation.
Rima washes her hands repeatedly, unable to find relief from the thought that they are dirty or contaminated. This obsessive behavior may be related to a disorder of the ____
a. thalamus b. hippocampus c. nucleus accumbens d. basal ganglia
The principle illustrated when most people are able to recognize a variety of examples of chairs even though no one category member may have all of the characteristic properties of "chairs" (e.g., most chairs have four legs but not all do) is
a. family resemblance. b. prototypicality. c. graded membership. d. instance theory.