Examlex
The control unit performs all arithmetic operations (for example, addition and subtraction) and all logic operations.
Chemical Synapse
A specialized junction at which a neuron communicates with a target cell across a synaptic cleft using chemical messengers.
Presynaptic Terminal
The end of a nerve fiber where the release of chemicals (neurotransmitters) occurs, enabling the transfer of the signal to another neuron's receptor site.
Postsynaptic Membrane
Refers to the membrane on the neuron receiving end of a synapse, where neurotransmitters are received.
Voltage-Gated Channel
A type of ion channel that opens or closes in response to changes in the electrical potential across the cell membrane.
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