If the programmed cell theory of aging is correct,
a. people under stress should die sooner than those not under stress.
b. a low-fat diet should extend life
c. the elimination of free radicals should greatly extend life.
d. humans are born with a "prewired death clock.".
d
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The best evidence for the influence of nongenetic factors in the cause of mood disorder is in the
a. concordance rates for MZ twins, which are less than 100 percent. b. concordance rates for DZ twins, which are less than 100 percent. c. concordance rates for MZ twins, which are less than for DZ twins. d. concordance rates for DZ twins, which are less than for MZ twins.
The fact that infants' attention seems to involve reacting to environmental stimulation (i.e., an item catches their attention) rather than being deliberately focused, illustrates the concept of a(n) _____ system
a. dynamic b. orienting c. fail-safe d. intentional
Early in elementary school, Naomi makes some errors in her speech, such as saying she "runned" on the soccer field or there were two "deers" in her backyard. These are examples of ______.
A. logical extension B. overregulation C. mutual exclusivity D. private speech
Those adult learners reporting high psychological stress typically include __________
A) single men with no children B) high-SES men and women C) single women with no children D) married women with nonsupportive partners