Enzymes Flashcards

1
Q

enzymes that follow Michaelis-Menten reaction have what curve

A

hyperbolic

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2
Q

the higher the Km, the __ the affinity

A

lower

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3
Q

NADH derived from

A

niacin B3

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4
Q

FADH drived from

A

riboflavin B2

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5
Q

only non protein component of ETC

A

ubiquinone coQ

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6
Q

Complex I aka

A

NADH DH

NADH:CoQ oxidoreductase

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7
Q

Complex II aka

A

Succinate DH

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8
Q

Complex III aka

A

cyt b-c1 complex

coQ:c1 oxidoreductase

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9
Q

Complex IV aka

A

cyt c oxidase

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10
Q

Complex I inhibitors

A

barbiturates, piercidin A, amytal, rotenone

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11
Q

Complex II inhibitors

A

malonate, carboxin, TTFA

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12
Q

Complex III inh

A

antimycin A, dimercaprol

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13
Q

Complex IV inh

A

cyanide, CO, sodium azide, HS

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14
Q

encephalomyopathy clinically characterized by shor stature, stroke-like episodes, migrainous headaches, vomiting, seizures, and lactic acidosis

A

MELAS

mitoch enceph, LA, stroke-like episodes

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15
Q

point mutations in mitochondrial DNA result to loss of retinal ganglion cell, leading to late onset acute optic neuropathy and bilateral central vision loss d/t mutation in NADH DH

A

Leber Heriditary Optic Neuropathy (LHON)

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