Examlex
Explain how auxin controls phototropism.
Neurotransmitters
Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another 'target' neuron, muscle cell, or gland cell.
Synaptic Vesicles
Small sacs in nerve cells that store neurotransmitters, which are released into the synaptic cleft to transmit nerve impulses.
Neuron
A nerve cell that is the basic building block of the nervous system, responsible for receiving and transmitting information.
Action Potential
A rapid rise and subsequent fall in voltage or electrical charge across a cellular membrane, signaling between neurons.
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