se the Michaelis Menten kinetic curves below for questions 12-15. Each is worth
ID: 229087 • Letter: S
Question
se the Michaelis Menten kinetic curves below for questions 12-15. Each is worth 2 pts. Questions 12-15 are 2 pts each. 12. The y-axis in Figure 2 represents ?Clearly explain, in a few words, what this is 160 140 120 100 80 60 40 20 A. B. 0 20 40 60 80 100 120 140 Substrate mM Figure 2. An uninhibited enzyme in the presence of three types of inhibitors. 13. What is the Km for the enzyme in the presence of a non-competitive inhibitor? 14. complex 15. What is the Km for the enzyme in the presence of a competitive inhibitor? -Which curve (A-D) represents an inhibitor which binds only to the enzyme/substrate (ES)Explanation / Answer
12. The y- axis represents the reaction velocity i.e. Vm
13. The non competitive inhibitor is the attachment of the substrate to the enzyme and inhibitor which decreases the the rate of the enzymatic work... Let us see, substrate + inhibitor + enzyme -> no reaction, inhibitor and substrate are both present at their "needed" sites but since the inhibitor changes the activity of the enzyme, the substrate is not reacting.
14. C curve is only which shows the substarte and enzyme bounded.
15. Km is the michaelis constant which consist of the both rate with the enzyme substarte complex i.e. [ES] complex . but when we talk about the competitive inhibitor we take only[ES] complex. enzyme + substrate -> reaction takes place until the enzyme gets changed when an inhibitor successfully competed (1.i:) against the binding of a substrate and is attached to the enzyme.
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