Question:

The naturally occurring amino acid that contains only one basic functional group in its chemical structure is:

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Basic amino acids have more than one amine functional group, while neutral amino acids have only one amine group.
Updated On: Feb 4, 2025
  • arginine
  • lysine
  • asparagine
  • histidine
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The Correct Option is C

Solution and Explanation

Step 1: Understanding Functional Groups in Amino Acids 
- Amino acids contain different functional groups that determine their chemical behavior.
- Basic functional groups include amine (\(-NH_2\)) and imidazole rings. 
Step 2: Classification of Given Options 
- Arginine, Lysine, and Histidine contain multiple basic groups due to their side chains. 
- Asparagine contains only one amine group, making it the correct answer. 
Final Answer: Asparagine contains a single amine functional group, making it the correct choice.

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