The ob mouse becomes obese because it lacks the gene that normally produces __________.
A. CCK
B. leptin
C. insulin
D. NPY
Answer: B
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Which form of deception is permitted in psychological research?
a. telling participants they will be paid and then not paying them b. not telling participants about a possible risk of serious physical harm in the study c. observing participants who don't know they are being observed d. telling participants they can withdraw at any time and then refusing to let them leave
Life changes are to __________ as daily hassles are to __________
a. continuous; discontinuous c. negative; positive b. regular; irregular d. discontinuous; continuous
Which of the following environmental factors triggers activity in beta amyloids and increases the occurrence of Alzheimer's 5- to 10-fold?
A. bacterial infections B. traumatic brain injury C. secondhand smoke D. stress
According to the video, object permanence is universal across cultures. Why would this be such an important concept for children to acquire?
What will be an ideal response?