Describe How an Action Potential Occurs, Including the Role of Ions

question 281

Essay

Describe how an action potential occurs, including the role of ions and ion channels; why an action potential is considered an all-or-nothing event; why the negative after-potential occurs; and the importance of myelin during a saltatory conduction.

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Definitions:

Intangible Asset

Assets that lack physical substance but are valuable because of the advantages or rights they provide to a business.

Treasury Stock

Shares that were issued and later reacquired by the issuing company, reducing the amount of outstanding stock.

Common Stock

A type of equity security that represents ownership in a corporation, entitling holders to vote on corporate matters.

Shares Issued

Refers to the total number of shares that a company has allocated to shareholders as part of its capital structure, including those owned by the public and the company itself.