Q.1
Plasmalogens are found in.
- Plasmalogens: A specialized subclass of ether glycerophospholipids characterized by a vinyl ether (alkenyl) bond at the $sn-1$ position of glycerol:
- Tissue Localization: Plasmalogens are especially abundant in brain and nervous tissue (comprising $\sim 50\text{--}60\%$ of ethanolamine phospholipids in myelin sheath) and in cardiac and skeletal muscle tissues.
- Function: They serve as structural components of cellular membranes, protect against oxidative stress by scavenging reactive oxygen species, and modulate membrane vesicle fusion.
Correct option: (1) Brain and Muscle tissues
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