Which one value is required for better enzymatic action?

High K

_{i}

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Low K

_{i}

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Low K

_{m}

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High K

_{m}

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Solution

The correct option is D Low K $_{m}$
A constant indicating the substrate concentration at which an enzyme catalysed reaction attains half its maximum velocity or 1/2 V $_{m a x}$ is known as Michaelis-Menten constant or K $_{m}$ . Lower K $_{m}$ indicates more affinity between the enzyme and substrate and consequently higher reaction rates.
So, the corret answer is 'Low K $_{m}$

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