A physiologist testing signal transduction rates in two different nerves notices that one fiber conducts signals much faster than the other. Which is the most likely difference between the two?
A. The slower nerve fiber is myelinated and the faster one is not.
B. The faster nerve fiber is myelinated and the slower one is not.
C. The faster nerve fiber has more dendrites.
D. The faster nerve fiber has more axons.
Answer: B
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