The Resting Membrane Potential of a Cell Is -85 MV

question 2

Multiple Choice

The resting membrane potential of a cell is -85 mV.The intracellular and extracellular concentrations of several ions are indicated in the following table,as is the calculated Nernst equilibrium potential (E_i) for each of these ions: The membrane has channels for Na⁺,K⁺,Cl^-,and Ca⁺⁺.The conductance of the membrane is the greatest for which ion?

• A)Na⁺
• B)K⁺
• C)Cl^-
• D)Ca⁺⁺

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Definitions:

Gross Motor

Skills that involve the large muscles of the body, such as those used for walking, running, lifting, and other major physical activities.

Symbolic Thinking

The ability to use symbols, signs, or objects to represent something else, a critical aspect of language development and abstract thought.

Preoperational Stage

A development stage in early childhood according to Piaget, characterized by symbolic thinking and difficulty understanding other perspectives.

Average North American

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