Which Describes the Ion Concentrations Inside and Outside of a Neuron

question 24

Multiple Choice

Which describes the ion concentrations inside and outside of a neuron?

• A) Sodium and potassium ions are both at higher concentration on the inside of the cell.
• B) Sodium and potassium ions are both at higher concentration on the outside of the cell.
• C) The sodium ion concentration is higher on the inside of the cell and potassium ion concentration is higher on the outside of the cell.
• D) The sodium ion concentration is higher on the outside of the cell and potassium ion concentration is higher on the inside of the cell.
• E) The concentrations of sodium and potassium ions are both equal inside and outside of the cell.

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Definitions:

Substrate

The substance upon which an enzyme acts in a biochemical reaction, often referred to in the context of organic chemistry reactions as well.

Synthesis

The process of combining two or more entities to create a new product or compound.

Major Organic Product

The primary outcome of an organic chemical reaction, which is formed in greater yield compared to any other products.

Structure

The arrangement or organization of atoms within a molecule, determining its shape and properties.