Problem

Enzyme A follows simple Michaelis-Menten kinetics.a. The Km of enzyme A for its substrate...

Enzyme A follows simple Michaelis-Menten kinetics.

a. The Km of enzyme A for its substrate S is KmS = 1 mM. Enzyme A also acts on substrate T and its KMT = 10 mM. Is S or T the preferred substrate for enzyme A?


b. The rate constant k2 with substrate S is 2 x 104 sec-1, with substrate T, k2 = 4 x 105 sec-1. Does enzyme A use substrate S or substrate T with greater catalytic efficiency?

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Solutions For Problems in Chapter 13