Magnesium is an important component of which biomolecule occuring extensively in living world?

Options

A. Haemoglobin
B. `ATP`
C. Chlorophyll
D. Vitamin `B_(12)`

Explanation

To determine which biomolecule contains magnesium, we can analyze the options provided:

1. **Hemoglobin**: This is a protein in red blood cells responsible for transporting oxygen. Hemoglobin contains iron (Fe), not magnesium (Mg).

2. **ATP (Adenosine Triphosphate)**: ATP is the energy currency of the cell and is composed of adenosine and three phosphate groups. It primarily contains phosphorus (P) and does not contain magnesium.

3. **Chlorophyll**: This is the green pigment found in plants that is essential for photosynthesis. Chlorophyll contains magnesium at its center, which is crucial for capturing light energy during photosynthesis.

4. **Vitamin B12**: This vitamin is important for nerve function and the production of DNA and red blood cells. It contains cobalt (Co) and does not contain magnesium.

Based on this analysis, the biomolecule that extensively contains magnesium is **Chlorophyll**.

**Final Answer**: Chlorophyll (Option C)

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