ETC-Ox Phos Flashcards

1
Q

ATP synthase

A

uses H+ gradient (chemiosmosis)

uses H+ to make ATP (3H+ for each one)

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2
Q

ATP synthase inhibitor

A

oligomyocin: blocks Fo channel

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3
Q

ATP synthase uncoupler

A

2,4 DNP (dinitrophenol)=makes heat but no ATP

pt dies of hyperthermia

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4
Q

Cyanide

A

inhibits ATP synthesis by binding Fe3+ in complex IV

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5
Q

Carbon monoxide poisoning

A

inhibts ATP synthesis by binding Fe2+, no ei flow to O2

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6
Q

Complex I

A

NADH dehydrogenase; pumps 4 H+, takes 2e from NADH to CoQ

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7
Q

CoQ

A

mobile electron carrier; from I to III

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8
Q

Complex III

A

ubiquinone-cytochomr C oxidoreductase-4H+, take Es from CoQ and loads them onto cytochrome c

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9
Q

Cytochrome C

A

mobile electron carrier that carries only one electron each to IV

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10
Q

Complex IV

A

cytochrome c oxidase pumps 2H+ and O2 is reduced to H2O

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