Chlorophyll molecules has the structure like

Options

A. purine ring
B. imidazole
C. heme
D. Tetrapyrole

Answer

**Step-by-Step Text Solution:**

1. **Understanding Chlorophyll Structure**:
- Chlorophyll is a pigment found in plants that plays a crucial role in photosynthesis. Its structure is essential for its function.

2. **Analyzing the Given Options**:
- The question provides four options: Purine ring, Imidazole, Heme, and Tetrapyrrole. We need to determine which of these structures corresponds to that of chlorophyll.

3. **Explaining Each Option**:
- **Purine Ring**: This structure consists of two fused carbon rings and is found in DNA and RNA. It is not related to chlorophyll.
- **Imidazole**: This is an aromatic structure containing a five-membered ring with two nitrogen atoms. While it is an interesting structure, it does not represent chlorophyll.
- **Heme**: Heme is a complex that contains an iron atom encased in a porphyrin ring. It is related to hemoglobin but does not describe chlorophyll accurately.
- **Tetrapyrrole**: This structure consists of four pyrrole units linked together, which is characteristic of chlorophyll. It contains four nitrogen atoms in its structure.

4. **Identifying the Correct Option**:
- Given the descriptions, the structure of chlorophyll is best represented by the tetrapyrrole structure, which is the fourth option.

5. **Conclusion**:
- Therefore, the correct answer to the question "Chlorophyll molecules has the structure like" is **Tetrapyrrole**.

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