Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
Q16: Chromosomes consist of large, double-stranded molecules of
Q17: Any estimate of the heritability of a
Q18: Heightened sensitivity to a neurotransmitter after the
Q19: Group selection works well as an explanation
Q20: A trait not expressed when combined with
Q22: _ cells proliferate after a stroke.<br>A) Penumbra<br>B)
Q23: An axon that does not receive enough
Q24: Units of heredity that maintain their structural
Q25: The field of epigenetics deals with how
Q26: If most of the axons that transmit