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Which amino acid is required for haemogl...

Which amino acid is required for haemoglobin

A

Glu

B

Val

C

Ser

D

All the above.

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question regarding which amino acid is required for hemoglobin, we can break down the information as follows: ### Step-by-Step Solution: 1. **Understanding Hemoglobin Structure**: Hemoglobin is composed of two main components: the heme group (which contains iron) and the globin protein. The globin part is made up of amino acids. 2. **Identifying the Type of Hemoglobin**: The question specifically refers to adult hemoglobin, known as HbA. This type of hemoglobin has a specific amino acid sequence. 3. **Amino Acid Composition**: The globin part of adult hemoglobin (HbA) consists of several amino acids. The transcript mentions the following amino acids in the sequence: - Valine - Histidine - Leucine - Threonine - Proline - Glutamine (mentioned twice) 4. **Key Amino Acid for Hemoglobin Function**: Among these amino acids, histidine is particularly important because it plays a crucial role in the binding of oxygen to hemoglobin. 5. **Conclusion**: Therefore, while multiple amino acids are involved in the structure of hemoglobin, histidine is a key amino acid required for its function. ### Final Answer: The amino acid required for hemoglobin is **Histidine**.
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