Following a Nerve Impulse, What Triggers the Opening of Plasma

question 48

Multiple Choice

Following a nerve impulse, what triggers the opening of plasma membrane voltage-gated Ca²⁺ channels?

• A)membrane hyperpolarization
• B)binding of an appropriate ligand
• C)membrane depolarization
• D)membrane hypopolarization
• E)binding of K⁺ ions

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