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Q.
What is the role of sterol in cell membrane?
Cell : The Unit of Life
Solution:
The role of sterol in a cell membrane is to provide stability. Sterols are steroids with $8-10$ carbon long aliphatic side chain at carbon $17$ and at least one alcoholic hydroxyl.
Cholesterol $\left( C _{27} H _{45} OH \right)$ is a common sterol found in many animal cell membranes.