Examlex
The number of mitochondria in cells varies from a few hundred to several thousand.The greatest number is found in cells exhibiting:
Presynaptic Membrane
The membrane of a nerve cell terminal that is proximal to the synaptic cleft and releases neurotransmitters in response to an action potential.
Action Potential
A rapid, temporary change in the electrical charge across a cell membrane, allowing nerve cells to transmit signals.
Gated Channels
Protein channels in cell membranes that open or close in response to specific stimuli, regulating the flow of ions or molecules.
Depolarization
The process in which the electrical charge of a cell membrane becomes less negative, leading to the activation of electrical activities like nerve impulses.
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