Physiology Which class of neurotransmitter would be most affected by a toxin that disrupted microtubules within neurons? A Amino acid transmitters B Catecholamine transmitters C Membrane-soluble transmitters D Peptide transmitters 💡 Explanation Which class of neurotransmitter would be most affected by a toxin that disrupted microtubules within neurons? ✓ Correct Answer: D. Peptide transmitters