biology
What Are Lipid Rafts and Why Are They Important?
š” The Answer
- Lipid rafts are microdomains in the cell membrane enriched with cholesterol and sphingolipids.
- They act as organizing centers for signaling molecules and membrane trafficking.
- Rafts are more ordered and less fluid than the surrounding bilayer, facilitating protein clustering.
- They play crucial roles in cell signaling, endocytosis, and pathogen entry.
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