Sia
Question
Biology
Posted 9 months ago
2. Which of the following amino acids is distinctive in its chemical nature among others listed below?
A. Isoleucine
B. Phenylalanine
C. Histidine
D. Leucine
E. Methionine
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Answer from Sia
Posted 9 months ago
C
Key Concept
Distinctive chemical nature of amino acids
Explanation
Histidine is distinctive among the listed amino acids due to its imidazole side chain, which can act as both a proton donor and acceptor, making it unique in its chemical properties.
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