第三章单元测试
- About competitive inhibitors, which one is true?（ ）.
- Inhibition of phosphate pesticide on choline esterase belongs to（ ）.
- Isoenzyme is a group of enzymes that catalyze the same chemical reaction, and the molecular structure, physicochemical properties and immunological properties of the enzyme protein are different（ ）.
- The specificities of enzymes can be briefly divided into three，___, ___, ___ and ___.
- Briefly state the significance of Km.
A:Km decreases, Vmax remains constant B:Km increases, Vmax remains constant C:Km remains constant, Vmax decreases D:Km decreases, Vmax decreases
答案:Km increases, Vmax remains constant
A:Irreversible inhibition B:Noncompetitive inhibition Competitive inhibition C:Reversible inhibition Irreversible inhibition D:Competitive inhibition Reversible inhibition
A:错 B:对
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