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Why must neurotransmitters be cleared from the synaptic cleft?
Stop transmission of information
What are the three mechanisms of synaptic termination?
Diffusion/absorption, degradation, and reuptake
What clearance mechanism involves neurotransmitter diffusing away?
Diffusion and absorption
What clearance mechanism uses enzymes to destroy neurotransmitters?
Degradation
What clearance mechanism transports neurotransmitters back into the presynaptic knob?
Reuptake
What happens to neurotransmitters taken back up by the presynaptic knob?
Recycled