When sodium ions diffuse into the axon's cytoplasm,the cytoplasm becomes
A) more positively charged.
B) more negatively charged.
C) neutrally charged.
D) impermeable to more sodium ions.
E) more than one of these

Question

Quizplus · Accepted Answer

Sodium ions have a positive charge, so when they diffuse into the axon's cytoplasm, the overall charge of the cytoplasm becomes more positive. This is because the sodium ions are outweighing the negative charges of other ions and molecules in the cytoplasm.

When Sodium Ions Diffuse into the Axon's Cytoplasm,the Cytoplasm Becomes