Give the main function Receptor proteins in the body of human beings ?

Explanation

### Step-by-Step Solution:

1. **Understanding Receptor Proteins**:
- Receptor proteins are specialized proteins located on the surface of cells or within cells. They play a crucial role in cellular communication.

2. **Main Function**:
- The primary function of receptor proteins is to **transmit information**. They act as sensors that detect specific molecules, known as ligands, in the environment.

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