Give the biological functions of the following proteins:
(i) Haemog

Explanation

### Step-by-Step Solution:

1. **Introduction to Hemoglobin**:
Hemoglobin is a protein found in red blood cells that plays a crucial role in the transport of gases in the body.

2. **Imparting Color**:
One of the primary biological functions of hemoglobin is to impart a red color to the blood. This is due to the iron-containing heme groups in hemoglobin that bind to oxygen.

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