When the Potential Across a Membrane Reaches Threshold, the Sodium

question 105

Multiple Choice

 When the potential across a membrane reaches threshold, the sodium channels ____.

• A) open to let sodium enter the cell rapidly
• B) close to prevent sodium from entering the cell
• C) open to let sodium exit the cell rapidly
• D) close to prevent sodium from exiting the cell

Explain how gas exchange principles apply to global climate change scenarios and environmental oxygen availability.

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