Which one of the following chemical groups is present in the side chain of the histidine amino acid?
Understand the Problem
The question is asking to identify which chemical group is present in the side chain of the histidine amino acid from a list of options.
Answer
Imidazole
The chemical group present in the side chain of the histidine amino acid is the imidazole group.
Answer for screen readers
The chemical group present in the side chain of the histidine amino acid is the imidazole group.
More Information
Histidine's imidazole group is aromatic and can participate in acid-base catalysis, making it important for enzyme functions.
Tips
Mixing up the chemical groups present in different amino acids is common. Remember that histidine is unique due to its imidazole ring.
Sources
- Histidine Structure, Functions, Chemical Properties, and Benefits - byjus.com
- Biochemistry, Histidine - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
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