What is the primary action of free radicals in cell injury?
Understand the Problem
The question is asking about the primary action of free radicals in the context of cell injury. It presents multiple-choice answers related to cellular processes influenced by free radicals, highlighting their role in cellular damage.
Answer
Lipid peroxidation, causing membrane damage.
The primary action of free radicals in cell injury is lipid peroxidation, which leads to membrane damage.
Answer for screen readers
The primary action of free radicals in cell injury is lipid peroxidation, which leads to membrane damage.
More Information
Free radicals are unstable molecules that can damage cellular components. Lipid peroxidation refers to the oxidative deterioration of lipids, which can cause cell membrane damage, affecting cell integrity and function. Damage to proteins and DNA can lead to cell dysfunction and apoptosis.
Tips
Confusing lipid peroxidation with other effects such as DNA damage. While DNA damage is significant, lipid peroxidation is the primary mechanism.
Sources
- Free radicals damage cells - ScienceDirect - sciencedirect.com
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