Which of the following correctly describes the role of SNARE proteins in neurotransmitter release?

• A. SNARE proteins actively transport neurotransmitters against their concentration gradient.
• B. SNARE proteins mediate the fusion of vesicles with the plasma membrane, allowing neurotransmitter release via exocytosis.
• C. SNARE proteins facilitate the passive diffusion of neurotransmitters across the synaptic cleft.
• D. SNARE proteins are involved in receptor-mediated endocytosis of neurotransmitters.

Answer: (B)