For First Responders · Michaelis–Menten
Michaelis–Menten for a fish population
Built for first responders planning or training for real incidents. Run fast what-if scenarios for response planning and training — no software to install in the field. Simulate a fish population live below — adjust the inputs and watch it respond, right in your browser.
Michaelis–Menten Enzyme KineticsLive
how enzymes saturate
Controls
Presets
Enzymes speed reactions but saturate: as substrate rises, the rate approaches a ceiling Vmax. Km — the substrate level giving half Vmax — measures how tightly the enzyme binds. Low Km means high affinity. Educational tool.
Data Inspector
Reaction rate v50.0 µmol/min
Fraction of Vmax50%
Km (half-Vmax [S])5 mM
Governing equation
Reading this result: At [S] near Km (5 mM) the enzyme works at about half speed (50% of Vmax) — this is the steepest, most substrate-sensitive part of the curve.
Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.
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Frequently asked questions
- Is this good for first responders?
- Yes — this version of "Michaelis–Menten for a fish population" is framed for first responders planning or training for real incidents. Run fast what-if scenarios for response planning and training — no software to install in the field.
- Do I need to install anything?
- No. It runs in any modern browser, free, with no account required.