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MOD 7 (KREB AND ETC) > Complexes > Flashcards

Complexes Flashcards

1
Q

NADH-coenzyme Q reductase

A

C1

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2
Q

NADH dehydrogenase complex

A

C1

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3
Q

NADH oxido-reductase

A

C1

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4
Q

Succinate-coenzyme Q reductase

A

C2

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5
Q

Succinate dehydrogenase complex

A

C2

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6
Q

Coenzyme Q-cytochrome c reductase

A

C3

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7
Q

Cytochrome reductase

A

C3

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8
Q

Q-cytochrome oxidoreductase

A

C3

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9
Q

Cytochrome c oxidase

A

C4

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10
Q

A heme and copper containing complex

A

C4

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11
Q

ATP SYNTHASE COMPLEX (oxidation phosphorylation)

A

C5

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12
Q

much smaller than complex I and contains only four subunits

A

C2

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13
Q

TRUE / FALSE:
Two electron carriers, coenzyme Q and coenzyme A, which are not tightly associated with any of the four complexes, serve as mobile electron carriers that shuttle electrons between the various complexes

A

FALSE, coenzyme Q and cytochrome c

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14
Q

used to process the FADH2 that is generated in the citric acid cycle when succinate is converted to fumarate

A

C2

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15
Q

source for the electrons that are processed through complex I

A

C1

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16
Q

the fi nal recipient of the electrons from FADH2, with iron–sulfur proteins serving as intermediaries

A

C2

17
Q

the largest of the four protein complexes

A

C1

18
Q

contains 11 different subunits

A

C3

19
Q

contains more than 40 subunits, including the B vitamin-containing fl avin mononucleotide (FMN) and several iron–sulfur proteins (FeSP)

A

C1

20
Q

how many subunits does Complex III have?

A

11

21
Q

how many subunits does complex I have?

A

more than 40 subunits

22
Q

a hemecontaining protein in which reversible oxidation and reduction of an iron atom occur

A

cytochrome

23
Q

lipid soluble and can move laterally within the mitochondrial membrane

A

Coenzyme Q

24
Q

TRUE / FALSE:
All further redox reactions at complex III involve only electrons, which are conveyed further down the enzyme complex chain

A

TRUE

25
Q

Its function is to shuttle its newly acquired electrons to complex III, where it becomes the initial substrate for reactions at this complex

A

Coenzyme Q

26
Q

contains 13 subunits, including two cytochromes

A

C4

27
Q

has a long carbon chain containing 10 isoprene units attached to its quinone unit

A

Coenzyme Q

28
Q

how many subunits does complex IV have?

A

contains 13 subunits, including two cytochromes

29
Q

how many isoprene units does Coenzyme Q have?

A

10

30
Q

It is estimated that __% of the oxygen used by cells serves as the final electron
acceptor for the ETC

A

95

MOD 7 (KREB AND ETC) (2 decks)

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