Question: Question 5 3 pts Km has a graphical definition. It is the substrate concentration that gives an enzyme velocity equal to 1/2 Vmax- The derivation


Question 5 3 pts Km has a graphical definition. It is the substrate concentration that gives an enzyme velocity equal to 1/2 Vmax- The derivation of the MM equation gives us additional insight into the meaning of Km. It is also (choose the answer that best fills in the blank). the remaining energy barrier of catalysis. the ratio of Es breakdown to ES formation. the sum [E] + [ES]. the efficiency of the enzyme. Question 3 3 pts Given the following kinetic model of enzyme catalysis, which value gives the "turnover number" of the active enzyme (also known as the "kcat" of the reaction) in units of sec 1? 1 k2 ki E + SZ k. s ES - E + P O {k(-1) + K2 }/k1 Ok2 / [E]total Km Ok2 Ok(-1) O k1
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