The inhibitory effect of organophosphorus insecticide (有机磷杀虫剂) on cholinesterase (胆碱酯酶) belongs to
A、Reversible inhibition
B、Competitive inhibition
C、Noncompetitive inhibition
D、Uncompetitive inhibition
E、Irreversible inhibition
A、Reversible inhibition
B、Competitive inhibition
C、Noncompetitive inhibition
D、Uncompetitive inhibition
E、Irreversible inhibition
A、organophosphorous compound 有机磷化合物
B、organic mercury compound 有机汞化合物
C、organoarsenic compound 有机砷化合物
D、cyanide 氰化物
E、sulfonamides 磺胺类药物
A、Vmax decreases, Km decreases
B、Vmax increases, Km increases
C、Vmax remains unchange, Km increases
D、Vmax remains unchange, Km decreases
E、Vmax decreases, Km increases
A、All allosteric enzymes have a regulatory subunit and a catalytic subunit.
B、The kinetic characteristics of allosteric enzyme are S-shaped curve rather than rectangular hyperbola.
C、The mechanism of allosteric activation is the same as that of enzyme activator.
D、Sulfonamides (磺胺类药物) work by allosteric inhibition.
E、It is an important way to rapidly regulate the enzyme content.
A、Phosphorylation/Dephosphorylation
B、Adenylation/Deadenylation
C、Methylation/Demethylation
D、Acetylation/Deacetylation
E、-SH / -S-S-
A、Irreversible inhibition
B、Competitive inhibition
C、Noncompetitive inhibition
D、Uncompetitive inhibition
E、Unable to determine
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