Why is it that every axon in an adult mammal has a target cell (muscle cell or other neuron) with which it makes synaptic contact?
a. Each target cell causes the growth of a neuron and its axon
b. After formation, axons release a chemical that causes a target cell to form.
c. Axons that fail to find a target cell die.
d. An axon will make contact with any kind of cell and adjust its function as necessary.
c
Psychology
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Patients recovering from heart attacks, which had an external locus of control, when compared to patients with an internal locus of control were more likely to
a. resume unhealthy habits. b. generate plans for recovery. c. recover quickly. d. begin exercise programs.
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