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Biochem > citric acid cycle > Flashcards

citric acid cycle Flashcards

1
Q

citric acid cycle takes place in…

A

the mitochondrial matrix

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2
Q

PCIKSSFMO

A

please can i keep selling sex for money officer?

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3
Q

Please

A

pyruvate

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4
Q

Can

A

citrate

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5
Q

I

A

Isocitrate

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6
Q

KEEP

A

a-ketoglutarate

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7
Q

Selling

A

succinyl-CoA

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8
Q

Sex

A

succinate

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9
Q

For

A

fumarate

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10
Q

Money

A

malate

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11
Q

Officer

A

oxaloacetate

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12
Q

Step 1

A

citrate formation

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13
Q

step 2

A

citrate isomerized to isocitrate

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14
Q

making isocitrate means…

A

water is removed and then added back into the reaction

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15
Q

step 3

A

a-ketoglutarate formation and CO2

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16
Q

in step 3 the first…

A

NADH is produced

17
Q

rate limiting enzyme for the citric acid cycle

A

Isocitrate dehydrogenase

18
Q

step 4

A

succinyl CoA and CO2 formation

19
Q

step 4 reduces…

A

NAD+ to NADH

20
Q

step 5

A

succinate formation

21
Q

the only reaction to directly produce ATP is…

A

step 5 (GTP formation–> ADP)

22
Q

step 6

A

fumarate formation

23
Q

in step 6…

A

FAD is reduced to FADH2

24
Q

step 7

A

malate formation

25
Q

step 8

A

oxaloacetate formed again

26
Q

in step 8…

A

NAD+ is reduced to NADH

27
Q

the citric acid cycle produces…

A

3NADH, 2CO2, FADH2, GTP

28
Q

Control points of the citric acid cycle

A

citrate synthase, isocitrate dehydrogenase, a-ketoglutarate dehydrogenase

29
Q

CPCSIDKD

A

call police call steve immediately dad knows dat

30
Q

call steve

A

citrate synthase

31
Q

immediately dad

A

isocitrate dehydrogenase

32
Q

knows dat

A

a-ketoglutarate dehydrogenase

33
Q

inhibition occurs at steps…

A

pyruvate, 1, 3,4

34
Q

inhibition at pyruvate

A

inhibited by ATP, acetyl-CoA, and NADH

35
Q

inhibition at step 1

A

inhibited by ATP, NADH, succinyl-CoA, and citrate

36
Q

inhibition at step 3

A

inhibited by ATP, NADH

37
Q

inhibition at step 4

A

inhibited by ATP, NADH, and succinyl-CoA

38
Q

steps requiring electron acceptors (PIKSM)

A

pyruvate, isocitrate, a-ketoglutarate, succinate, malate

Please I know shes mean

Biochem (11 decks)

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