Which of These Statements Does NOT Describe Gap Junctions

question 239

Multiple Choice

Which of these statements does NOT describe gap junctions

• A)They are communicating junctions.
• B)They play an important role in transmission of electrical activity throughout an entire muscle mass.
• C)They are formed by small connecting tunnels that link two adjacent cells and permit exchange of small, water-soluble particles between the cells.
• D)Filaments of unknown composition extend between the plasma membranes of two closely adjacent but not touching cells, acting as "spot rivets" to anchor the cells together.

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Definitions:

Internal Slave Trade

refers to the buying and selling of slaves within the domestic borders of a country, particularly prevalent in the United States before the Civil War.

Plantation Work

Labor performed on large agricultural estates, historically associated with slavery and the cultivation of cash crops such as tobacco, cotton, and sugar.

Fugitive Slave Act

The Fugitive Slave Act was a law passed by the United States Congress in 1850 to provide for the return of slaves who escaped from one state into another state or territory.

American Colonization Society

An organization established in the early 19th century aimed at resettling free African-Americans to Africa; Liberia was a significant colony established by this society.