Biochemistry - Learn & Solve

Master the 20 amino acids, rebuild every metabolic pathway, and quiz yourself offline with hand-verified answers.

Master biochemistry for your next exam. Biochemistry Mastery is a fast, fully offline study tool that drills the 20 amino acids, the core metabolic pathways, and the key enzymes, then tests you with practice questions and structure-drawing drills.

Every fact is hand-authored and checked against a named reference, so you study from a fixed, verified corpus that never breaks and never goes offline. There is no AI generating answers at runtime and no server, which means nothing to load and nothing to get wrong. Learn the 20 amino acids cold, including names, one- and three-letter codes, side-chain class, pKa values, and codons. Rebuild glycolysis, the TCA (Krebs) cycle, the urea cycle, and more, step by step. Reference over 30 enzymes with their reactions and pathway context, and let a spaced-repetition scheduler resurface what you are about to forget.

Included in free tier: browse the full amino acid and enzyme reference, rebuild the glycolysis pathway, take up to ten practice quiz questions each day, complete up to five structure-drawing drills each day, and use a starter review queue. Everything stays on your device with no account and no tracking.

Included in premium tier: unlimited practice quizzes, unlimited structure drawing, rebuild mode for every metabolic pathway, and the full spaced-repetition review scheduler with complete history.

Biochemistry Weekly is 7.99 US dollars per week with a 3-day free trial. Biochemistry Annual is 39.99 US dollars per year. Subscriptions auto-renew until cancelled and can be managed or cancelled anytime in Settings. Start studying the way the exam actually asks you to, from a blank page.

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