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.
Answer: C
You might also like to view...
The notions of family structure, subsystems, and boundaries are important components of the type of family therapy practiced by _____.
A. Salvador Minuchin B. Murray Bowen C. Steve deShazer and Insoo Kim Berg D. Irvin Yalom
Nakisha is a baby from the United States who is not able to be breastfed by her mother, lives below the poverty level, and is now deficient in protein and calories
She has stopped growing and is exhibiting features of the disease ___________, which, if not treated, will ultimately lead to early death. a. nonorganic failure to thrive c. psychosocial dwarfism b. kwashiorkor d. marasmus
Social reinforcement has a strong influence on personality development because it
a. is made up of interactions that expand one's psychosexual development. b. is made up of praise, attention, or approval from others. c. is made up of conditions of worth. d. forms the basis for the development of our possible selves.
Researchers randomly assigned adolescents to either a single-grade classroom in their school or a mixed-grade classroom in their school and then measured several learning outcomes in each group. This is an example of ________.
A. naturalistic observation B. a case study C. a natural experiment D. a field experiment