Which of the following is correct concerning the turnover number (or k eat) of a

Question

Which of the following is correct concerning the turnover number (or k eat) of an enzyme? The turnover number is the number of molecules of substrate converted into product by one molecule of enzyme per second. The turnover number is dependent upon the concentration of enzyme used in the kinetic assays. The turnover number gives useful information about how well the enzyme binds to the substrate. The turnover number is usually obtained from the slope of the Michaelis-Menten plot. The turnover number is equal to -1/K an.

Explanation / Answer

Turnover number is defined as the total number of moles product / mole catalyst. It gives the amount of substrate converted into products for one mole of enzyme per unit time.

So the answer is The turnover number is the number of molecules of substrate converted into product by one molecule of enzyme per second. (a)

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