____ steer new axonal branches and synapses in the right direction
a. Chemokines
b. Immunoglobulin
c. Glia
d. Neurotrophins
d
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Sperm and ova are produced through meiosis, otherwise known as
a. cloning. b. mutation. c. cross-fertilization. d. reduction division.
On college campuses, drunken students tend to have accidents, get into fights, sexually assault others, or engage in risky sex. They also destroy property and disrupt the lives of students who are trying to sleep or study. These extreme behaviors are due to the drunken students' thinking and perception becoming dulled or shortsighted, a condition known as
a. alcohol psychosis. b. binge drinking. c. divergent thinking. d. alcohol myopia.
The phase following firing during which a neuron's action potential cannot be triggered is called the
a. relative refractory period. c. resting potential. b. refractory period. d. all-or-none period.
_____ observation affords _____ control, but increases the chance of _____
a. Naturalistic; more; reactivity b. Naturalistic; less; experimenter effects c. Laboratory, less; experimenter effects d. Laboratory; more; reactivity