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Helix-1Lv 1.1
🧬🎯 Mission BriefingAct 1 • Stage 1.1 • +160 XP

Nucleotide Base Pairing & Hydrogen Bonds

DNA stores biological information using 4 nitrogenous bases: Adenine (A), Thymine (T), Cytosine (C), and Guanine (G). Because C-G pairs share three hydrogen bonds while A-T pairs share two, C-G rich DNA regions require significantly higher thermal energy to denature (melt).

🌟 Starting Stage (1.1)