Fact 1: Vesicle transport requires energy, so it is also a form of active transport.

Fact 2: Neurotransmitters are released from vesicles.

Given the two facts above, answer the question "The transport of what requires energy?" with the following options: 
- communication
 - microorganisms
 - colors of the spectrum
 - Something to move
 - salamanders
 - Neurotransmitters
 - an object
 - Veins and arteries.


 

      Neurotransmitters   