Before an Action Potential Begins,the Fluid Outside an Axon's Membrane

question 278

Multiple Choice

Before an action potential begins,the fluid outside an axon's membrane has ________ ions;the fluid inside has ________ ions.

• A) mostly negatively charged;mostly positively charged
• B) equal numbers of positively and negatively charged;equal numbers of positively and negatively charged
• C) mostly positively charged;mostly negatively charged
• D) neither positively nor negatively charged;neither positively nor negatively charged

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