IGNOU BZYCT 133 2026 - How would you define a ligand in cell-to cell signalling?

Question

How would you define a ligand in cell-to cell signalling?

31 Jan 2026

Answer :

Word Count : 196

In the context of cell-to-cell signalling, a ligand can be defined as a molecule that serves as a chemical messenger, capable of binding specifically to a receptor on the surface or inside a target cell, thereby initiating a biological response. Ligands can be proteins, peptides, lipids, or small molecules, and their

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