A Cell Is Placed into a 1 Millimolar Solution of Substance

question 20

Multiple Choice

A cell is placed into a 1 millimolar solution of substance X and over time you witness the concentration of X inside the cell increase to 5 millimolar.The best explanation for this is:

• A)X is moving into the cell by simple diffusion
• B)X is moving into the cell by diffusion through a protein channel
• C)X is moving into the cell by facilitated diffusion
• D)X is moving into the cell by primary active transport
• E)It is not possible to tell which mechanism is responsible for the transport of X

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Definitions:

Race

A social construct used to categorize humans into large and distinct populations or groups by ancestral heritage and physical characteristics.

African Americans

A racial or ethnic group in the United States with ancestry from any of the black populations of Africa.

William Julius Wilson

William Julius Wilson is an American sociologist known for his work on race, class, and poverty in the United States, particularly his theories on the urban underclass and the impact of structural economic changes on American society.

Ethnic Enclave

A geographic area with a high concentration of individuals from the same ethnic or cultural background, often characterized by distinct languages, traditions, and businesses.