Electron Microscopy Is a Useful Tool in the Study of Synaptic

question 21

Multiple Choice

Electron microscopy is a useful tool in the study of synaptic morphology. The electron microscope allowed researchers to determine that:

• A)neurotransmitters are packaged into vesicles located at the end terminals of axons.
• B)neurotransmitters are located only in select hormones in the bloodstream.
• C)neurotransmitters are not chemicals, as had been previously thought.
• D)there are more than 1000 neurotransmitters in the human body.

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