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Boards pt1 > Krebs, etc, oxidative phosphorylation > Flashcards

Krebs, etc, oxidative phosphorylation Flashcards

1
Q

pyruvate reaction turning it into acetyl coa

A

oxidative carboxylation

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2
Q

oxaloacetate combines with what to get citrate

A

acetyl coa

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3
Q

citrate turns into

A

cis-acotinic

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4
Q

cis-aconitic turns into

A

isocitrate

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5
Q

isocitrate converts

A

nad+ into nadh

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6
Q

isocitrate turns into

A

ketoglutarate

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7
Q

ketoglutarate converts

A

nad+ into nadh

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8
Q

a-ketoglutarate turns into

A

succinyl coa

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9
Q

succinyl coa turns into

A

succinate

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10
Q

succinate turns into

A

fumarate

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11
Q

fumarate converts

A

fad into fadh

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12
Q

h2o enters where

A

between fumarate and malate

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13
Q

fumarate turns into

A

malate

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14
Q

malate converts

A

nad+ into nadh

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15
Q

malate turns into

A

oxaloacetate

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16
Q

what is the rate limiting step in krebs

A

dehydrogenase

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17
Q

what does atp inhibit

A

pyruvate dehydrogenase complex
citrate synthase
isocitrate dehydrogenase

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18
Q

what does nadh inhibit

A

pyruvate dehydrogenase complex
citrate synthase
alpha ketoglutarate

19
Q

what does citrate inhibit

A

citrate synthase

20
Q

what is needed to start krebs

A

pyruvate –> acetyl coa

21
Q

enzyme that converts pyruvate into acetyl coa

A

pyruvate dehydrogenase complex

22
Q

what is needed for pyruvate to convert into acetyl coa

A 
thiamine pyrophosphate (b1)
fad (b2)
coa (b5)
lipoic acid
nad (b3)
23
Q

products made from pre-krebs

A

acetyl coa, nadh, co2

24
Q

krebs cycle aka

A

citric acid cycle, tricarboxylic acid cycle, tca cycle

25
Q

where does krebs cycle happen

A

mitochondria

26
Q

what condition does krebs require

A

aerobic conditions

27
Q

how is gtp formed

A

by succinyl coa synthase (succinyl coa –> succinate)

28
Q

what does succinate dehydrogenase require

A

fad (succinate –> fumarate)

29
Q

what is succinate thiokinase

A

production of atp in krebs

30
Q

what is produced by 1 krebs cycle

A

2 CO2, 3NADH, 1FADH2, 1GTP/ATP

31
Q

aka for electron transport chain

A

etc, cytochrome series, respiratory chain

32
Q

etc multistep reaction

A

complex of enzyme in inner fold of inner mitochondrial membrane

33
Q

what does the etc release

A

energy

hydrogen ions from nadh and fadh2

34
Q

what is the electron acceptor in the etc

A

oxygen (forms h2o)

35
Q

oxidative phosphorylation

A

atp production

36
Q

where is energy released from in oxidative phosphorylation

A

etc

37
Q

what generates atp in oxidative phosphorylation

A

energy released from etc used by atp synthetase

38
Q

what are coupled together

A

etc and oxidative phosphorylation

39
Q

how many atp from nadh

A

3

40
Q

how many atp from fadh2

A

2

41
Q

how many atp does krebs make

A

30

42
Q

how many atp does glycerol-3-phosphate shunt make

A

4

43
Q

how many atp does glycolysis make

A

2

44
Q

what is the total atp made

A

36 or 38

Boards pt1 (28 decks)

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