IGNOU BBCCT 101 2026 - Describe the role of lipids as signaling molecules, co

Question

Describe the role of lipids as signaling molecules, cofactors, and pigments.

14 Feb 2026

Answer :

Word Count : 210

Lipids play crucial roles beyond their structural function in cell membranes. As signaling molecules, they participate in numerous physiological processes. One of the most well-known groups of lipid-based signaling molecules are eicosanoids, which are derived from arachidonic acid. These molecules, including prostaglandins, thromboxanes, and leukotrienes, are involved in inflammatory responses, blood clotting, and immune system regulation. Phosphoinositides

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