Multiple Choice
Which descriptions are true of neurotransmitters?
I.produced by the endocrine system
II.transported in the bloodstream
III.interact with cells in their direct pathway
IV.act within 1 second or less after release
V.effects are of short duration
A) I,II,IV
B) II,III,V
C) III,IV,V
D) I,II
E) IV,V
Correct Answer:

Verified
Correct Answer:
Verified
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