Examlex
The oldest Earth rocks found to date are 4.03 billion years old in Northwest Territories of Canada.
Resting Potential
The electric potential difference across the neuronal membrane when the nerve is not transmitting a signal.
Potassium Ions
Charged particles of potassium, a crucial mineral that plays key roles in cell function, including heart rhythm, muscle contraction, and nerve transmission.
Chloride Ions
Negatively charged particles (ions) that play key roles in maintaining cell stability, transmitting nerve impulses, and regulating fluid inside and outside of cells.
Sodium-Potassium Pump
A crucial cellular mechanism that moves sodium ions out of and potassium ions into cells, vital for maintaining cellular function and electrochemical gradients.
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