The Differences in Relative Concentrations of Ions Inside and Outside

question 26

Multiple Choice

The differences in relative concentrations of ions inside and outside the cell act as an electrical force.The specific ion(s) MOST important to establishing the resting potential in neurons would be

• A)Na⁺.
• B)K⁺.
• C)intracellular anions (e.g. ,proteins).
• D)H⁺.
• E)Na⁺,K⁺ and intracellular anions are all important.

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Definitions:

Carbon Monoxide

A colorless, odorless, and tasteless gas with the chemical formula CO, highly toxic to humans and animals when inhaled.

Triple Bond

A chemical bond in which three pairs of electrons are shared between two atoms, making it the strongest and shortest among the types of chemical bonds.

Covalent Bonds

Chemical bonds formed by the sharing of electrons between atoms, leading to stable molecules.

Electrons

Subatomic particles with a negative charge, found in electron shells surrounding the nucleus of an atom.