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Freemium amino‑acid study tool with pKa. Pro adds quiz mode & exports. Includes developer bypass toggle in Options. Hover, search, and master amino acids fast. Includes pKa values, filtering, and copyable codes. 🔍 Fast search 🔄 pKa Cα / Nα / R 📋 Copy to clipboard 🧠 Upgrade to Pro for quiz mode & flashcards
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