What is a common cellular target of free radical damage? A) Mitochondria B) Ribosomes C) Cell membranes D) Chloroplasts
Understand the Problem
The question is asking about the typical cellular components that can be harmed by free radicals. It provides multiple choice answers to identify which of these components are most commonly affected.
Answer
Mitochondria
The final answer is Mitochondria.
Answer for screen readers
The final answer is Mitochondria.
More Information
Mitochondria are a primary target of free radical damage because they are the main source of reactive oxygen species (ROS) within cells, which can lead to oxidative damage of mitochondrial DNA and other cellular components.
Tips
A common mistake is to assume cell membranes or chloroplasts are the main targets due to their involvement in cell structure and photosynthesis, respectively, but mitochondria are directly involved in ROS production and thus more frequently damaged.
Sources
- Free Radicals: Properties, Sources, Targets, and Their Implication in ... - pmc.ncbi.nlm.nih.gov
- Mitochondrial Oxidative Stress—A Causative Factor and ... - pmc.ncbi.nlm.nih.gov
- Mitochondrial DNA: Radically free of free-radical driven mutations - sciencedirect.com
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