Examlex
Cells of different species, when observed in nutrient solutions, are seen to divide varying numbers of times, with cells of the most long-lived species dividing more times than the cells of short-lived species. The total number of divisions for any given species is sometimes referred to as _______.
IPSPs
Short for Inhibitory Postsynaptic Potentials, these are electrical changes in the postsynaptic neuron that make it less likely to generate an action potential, thereby inhibiting the neuron.
Potassium Channels
Protein channels in cell membranes that allow potassium ions to pass in and out of the cell, playing key roles in cell signaling and electrical conductivity.
Sodium Channels
A type of ion channel found in the membranes of cells, specifically permeable to sodium ions, crucial for initiating and conducting electrical signals in neurons.
Action Potentials
Rapid and temporary electrical impulses that travel along neurons, essential for nerve impulse transmission.
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