The proteins PER and TIM, originally discovered in insect but now found in mammals also, influence circadian rhythms by ____
a. building up during the day and declining during sleep
b. being transformed into melatonin
c. stimulating and inhibiting (respectively) the release of acetylcholine in the cerebral cortex
d. providing negative feedback from the muscles to the neurons that innervate them
a
Psychology
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Emily is told by her physician that her symptoms are caused by the loss of myelin. Her diagnosis is most likely to be ________
a. Parkinson's disease. b. Alzheimer's disease. c. multiple sclerosis. d. epilepsy.
Psychology
Leaders who are __________ oriented are more concerned with morale and focus on building good interpersonal relationships
a. task b. relationship c. motivationally d. honesty
Psychology