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Author Question: Suppose that substance X is secreted by one cell, travels via interstitial fluid (Read 671 times)

sammy

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on: Sep 23, 2013
Suppose that substance X is secreted by one cell, travels via interstitial fluid to a neighboring cell, and produces an effect on that cell. All of the following terms could describe this substance except
A) paracrine signal.
B) neurotransmitter.
C) prostaglandin.
D) pheromone.
E) growth factor.


penguins

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Reply #1 on: Sep 25, 2013
For sure it has to be D Mark as solved once you're done!


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sammy

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Reply #2 on: Sep 27, 2013
Beauty! You were right on this one again :D


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