The letter A is the one that represents a neurotransmitter acting via direct effects.
<h3>What is a neurotransmitter?</h3>
These are chemical messenger that helps carries signals across the neurons and target cells throughout the body.
Hence, the letter A represents a neurotransmitter acting via direct effects because its involves direct connection between the neurons.
Therefore, the Option A is correct.
Read more about neurotransmitter
<em>brainly.com/question/26387085</em>
Las ciencias sociales son la economía, la antropología, la sociología, la ciencia política, y aspectos de la psicología y la historia.<span>
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<span>Simone, a typical adolescent will most likely turn to her peers for advice on fashion. At this time of his life, Simone will start paying attention to his looks and how it would influence his social relationships and groups. </span></span>
Partisan pollsters are pollsters that are associated with a party. They take surveys and polls and release them as part of a strategic effort to tell the public that a certain candidate is leading in order to convince them to vote for the candidate. Independent media pollsters are non-partisan or have no intention of supporting any political party.
