Ca++ Enters the Cell When an Action Potential Is Generated

question 88

Multiple Choice

Ca++ enters the cell when an action potential is generated. Diffision and electrostatic pressures push Ca++ into the cell. Ca++ channels are

• A) passive.
• B) chemically-gated.
• C) voltage-gated.
• D) always open.
• E) chemically-gated and voltage-gated.

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