For which axon might you expect action potential propagation to be the fastest?
a. a myelinated axon with a small diameter
b. an unmyelinated axon with a small diameter
c. a myelinated axon with a large diameter
d. an unmyelinated axon with a large diameter
e. axon myelination and diameter do not affect action potential propagation rate
C
You might also like to view...
When chromosomes fail to separate at either the first or second meiotic division this
A. is known as crossing over. B. results in a sperm or egg cell with an abnormal number of chromosomes. C. is known as translocation. D. results in a failure to produce gametes. E. results in arrest during meiosis.
The Calvin cycle of a plant exposed to light during the day that is suddenly put in the dark
A. cannot run, as it requires light energy directly. B. runs in a different place in the plant. C. can still run as long as there is ATP, CO2, and NADPH present. D. uses a different source of carbon.
Sugars are mainly used by our bodies _____.
Fill in the blank(s) with correct word
You are doing field work on a small, uninhabited island. You are supplementing your food supply with fish that live in some of the ponds on the island. You catch a brightly colored fish with red and black stripes, filet it, pan fry it, and spit out your
first bite because it tastes like it had been soaked in urine. Back at camp, your guide from a nearby island is pan frying fish with red and black stripes he caught in an adjacent pond. When you tell him not to eat those, he smiles and says these are the best-tasting fish in the whole island chain! You look closer and see the pattern of the red and black stripes is just a little different from the fish you caught.What principle of ecology have you just experienced firsthand? A) Batesian mimicry B) commensalism C) mutualism D) Müllerian mimicry