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Find the vertex of the graph of the quadratic function.
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Ca2+ Channels
Cellular structures that allow the flow of calcium ions (Ca2+) into or out of a cell, playing crucial roles in various cellular processes.
K+ Channels
Potassium channels that allow the selective passage of potassium ions across cell membranes, important for various physiological processes.
Plateau Phase
A stage in some processes where a level of activity or condition remains consistently steady before an eventual change or decline.
Cardiac Cycle
The sequence of events that occur in a complete heartbeat, including contraction and relaxation of the atria and ventricles.
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