How do neurons become negatively charged on the inside of the cell?
A) Neurons contain ions that are negatively charged. The membrane of the neuron separates these ions such that more negatively charged ions are inside the cell, compared to outside the cell.
B) Neurons contain genes that are negatively charged. The membrane of the neuron keeps the genes from being able to cross and go outside of the cell.
C) Neurons contain chemicals that are negatively charged that are kept on the inside of the cell.
D) Neurons contain electrically charged hormones that can flow in and out of the cell unimpeded.
Answer: A
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