Only those growth cones that are not pioneer growth cones can normally find their way to their targets by

A) chemoaffinity.
B) fasciculation.
C) blueprints.
D) topographic gradients.
E) stopping and asking for directions.

Answer: B

Psychology

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According to Maslow, what type of needs involve achievement, attention, and recognition from others?

a) esteem b) safety c) self-actualization d) belongingness/love

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One gene that suppresses the expression of another gene in a pair of alleles is called a(n) __________ gene

a. repressed b. recessive c. dominant d. expressed

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