One mechanism by which experience can "get under the skin" is epigenesis, in which
a. experience stabilizes and solidifies the way the brain responds to stress
b. experience leads individuals to associate stressful experiences with certain stimuli through classical conditioning
c. experience modifies chemicals that partially control whether genes are expressed
d. experience causes mutations in genes that control whether other genes are expressed
Answer: c. experience modifies chemicals that partially control whether genes are expressed
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Katherine is aware that some potential participants may have cognitive impairments and she considers excluding them solely on that basis. At the same time, she is aware that participants may, themselves, benefit from participating in the study, since they will live in at research hospital during the study and will have access to numerous resources while hospitalized. If Katherine decides to
exclude persons with cognitive impairments, she is also denying these individuals access to other services, and this bothers her. In terms of the principles in the Belmont Report, she is struggling with issues related to ____. a. respect for persons b. beneficence c. justice d. voluntariness
Strong emotions can kill you in two ways, which are
a. stress-related sympathetic effects and the parasympathetic rebound. b. stress-related limbic system effects and the reticular formation rebound. c. underreactions of both the sympathetic and parasympathetic systems. d. underreactions of both the limbic system and the reticular activating system.
Sperm and egg cells each contain ____ chromosomes
a. 23 c. 48 b. 46 d. 64
Maternal smoking during pregnancy may put some children at increased risk of
attention-deficit hyperactivity disorder. Indicate whether the statement is true or false