What carries a signal from one neuron to the next?

A. A neurotransmitter
B. A dendrite
C. An axon
D. A hormone


Answer: A

Biology & Microbiology

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Hormones are distributed throughout the body by the ____ system

a. urinary b. lymphatic c. nervous d. circulatory e. muscular

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Variation in species richness of terrestrial species in North America correlates most strongly with estimates of

A) actual or potential evapotranspiration. B) annual temperature. C) solar radiation. D) precipitation.

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A skeleton has foramen magnum near the rear of the skull; this indicates the skeletal remains may be those of a

A. human. B. gorilla. C. dog. D. monkey. E. rat.

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