Na⁺ Ion Concentrations Are Higher Outside the Cell Than Inside

question 19

Multiple Choice

Na⁺ ion concentrations are higher outside the cell than inside the cell.What type of transport system is required to move Na⁺ ions in and out of the cell?

• A)Na⁺ moves into the cell by facilitated diffusion and out of the cell by active transport
• B)Na⁺ moves in and out of the cell by passive diffusion
• C)Na⁺ moves in and out of the cell by active transport
• D)Na⁺ moves into the cell by active transport and out of the cell by facilitated diffusion
• E)Na⁺ moves into the cell by facilitated diffusion and can not move out of the cell

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Definitions:

Sexual Differentiation

The process by which the sexes develop distinct anatomical and physiological differences from a common template during fetal development and puberty.

Complete Androgen Insensitivity Syndrome

A condition in which individuals with XY chromosomes are unresponsive to androgens, leading to the development of female physical traits but male genetic makeup.

Genetic Composition

The specific arrangement and interaction of genes within an organism, determining its hereditary traits.

Female Fetus

An unborn offspring developing within the womb, characterized by XX chromosomes, leading to the development of female sex characteristics.