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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Triglycerides store about ______ as much energy as carbohydrates.
a. two times b. three times c. four times d. five times
Biology & Microbiology
Hormones are distributed throughout the body by the ____ system
a. urinary b. lymphatic c. nervous d. circulatory e. muscular
Biology & Microbiology
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.
Biology & Microbiology
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.
Biology & Microbiology