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Basic amino acids possess an overall positive charge at physiological pH due to extra basic functionBiomolecules Chemistry Question

Question

Basic amino acids possess an overall positive charge at physiological pH due to extra basic functional groups in their side chain. Which of the following is a basic amino acid?

Answer: C

💡 Solution & Explanation

Lysine and Arginine possess extra amino groups in their extended side chains (where the number of $-NH_2$ groups exceeds the number of $-COOH$ groups), making them basic amino acids.

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