How Do Uncharged, Nonpolar Molecules, Such as O₂ and N₂

question 27

Multiple Choice

How do uncharged, nonpolar molecules, such as O₂ and N₂, pass through cell membranes?

• A) by simple diffusion
• B) by primary active transport
• C) by facilitated diffusion
• D) by secondary active transport

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Definitions:

Chronic Disease

A medical condition persisting for a long time, often longer than three months.

Controlled

Managed or governed according to rules or principles to maintain order or regulation.

Cured

The complete resolution of a disease or disorder, with no ongoing symptoms or effects of the condition.

Chronic Illness Trajectory

The long-term pattern or course of a chronic illness, which may include periods of worsening symptoms, stability, and possibly improvement.