Regarding REM sleep, which of the following statements is FALSE?
a. After studying for a long period, you will remember more if you pull an all-nighter studying than if you go to sleep.
b. Brain areas associated with imagery and emotion become significantly more active during REM sleep.
c. All mammals show REM sleep, but reptiles show no signs of REM sleep.
d. For adults, REM periods add up to about 20 percent of total sleep time.
A
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One function of the specialized protein channels in a cell membrane is to ______.
A. form an impermeable barrier to all substances foreign to the cell B. package neurotransmitters C. provide oxygen and nutrients for the cell D. selectively allow substances to enter or leave the cell
An expert bird watcher would be better than a beginner at all of the following skills EXCEPT for
a. seeing the identifying details of the various birds. b. classifying birds. c. seeing and understanding birds in a significantly different way. d. generating eidetic images of birds in his or her mind.
Which of the following is more characteristic of the acute crisis phase than of the long-term reaction phase, in rape victims?
A. Denial, shock, and disbelief B. Changes in lifestyle C. Sexual problems D. Phobias
Suppose a small number of geese are born with a genetic mutation that makes them spend more time caring for their eggs. As a result, more chicks hatch from these eggs that then survive to reproduce themselves
According to the principle of natural selection, which of the following would be the likely result? A) Other genetic mutations would start occurring at a faster rate. B) The genetically inherited behavior would become more common after many generations. C) The genetically inherited behavior would become less common after many generations. D) The rate of genetic mutations would slow drastically.