A Cell with Leak Channels That Are Only Permeable to Cl^-

question 32

Multiple Choice

A cell with leak channels that are only permeable to Cl^- has been placed in a petri dish. Which of the following statements accurately describes the relationship between the concentration gradient and the Cl^- equilibrium potential (E_Cl) ?

• A) A higher concentration of Cl^- outside the cell will create a positive equilibrium potential.
• B) A higher concentration of Cl^- inside the cell will create a positive equilibrium potential.
• C) A higher concentration of Cl^- inside the cell will create a negative equilibrium potential.
• D) It does not matter what the initial concentration is because Cl^- will always reach a negative equilibrium potential.

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Definitions:

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Living Things

Organisms that exhibit the characteristics of life, including growth, reproduction, functional activity, and continual change preceding death.

Jean-Baptiste Lamarck

An early 19th-century French biologist who proposed the theory of inheritance of acquired characteristics as a mechanism for evolutionary change.

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