Enzymatic Inhibition Flashcards

1
Q

what is irreversible inhibition?

A

bind permanently to enzyme, and enzyme must be replaced

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2
Q

what is competitive inhibition?

A

inhibitor competes with the substrate

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3
Q

what is uncompetitive inhibition?

A

inhibitor binds the enzyme-substrate complex, but not the enzyme alone

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4
Q

what is noncompetitive inhibition?

A

inhibitor binds the enzyme or enzyme-substrate complex; slows or stops enzymatic process, and substrate binding is not affected

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5
Q

what is mixed inhibition?

A

inhibitor binds enzyme or enzyme-substrate complex; affects substrate binding and enzyme function

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6
Q

what happens to the kinetic curve in competitive inhibition?

A

no change in Vmax, Km moves right

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7
Q

what happens to the kinetic curve in uncompetitive inhibition?

A

reduces Vmax, Km moves left

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8
Q

what happens to the kinetic curve in noncompetitive inhibition?

A

reduces Vmax, no change in Km

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9
Q

what happens to the kinetic curve in mixed inhibition?

A

reduces Vmax, Km moves right

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