citric acid cycle Flashcards by Andi Pfau

Q

citric acid cycle takes place in…

A

the mitochondrial matrix

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Q

PCIKSSFMO

A

please can i keep selling sex for money officer?

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Q

Please

A

pyruvate

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Q

Can

A

citrate

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Q

I

A

Isocitrate

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Q

KEEP

A

a-ketoglutarate

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Q

Selling

A

succinyl-CoA

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Q

Sex

A

succinate

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Q

For

A

fumarate

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Q

Money

A

malate

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Q

Officer

A

oxaloacetate

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Q

Step 1

A

citrate formation

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Q

step 2

A

citrate isomerized to isocitrate

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Q

making isocitrate means…

A

water is removed and then added back into the reaction

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Q

step 3

A

a-ketoglutarate formation and CO2

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Q

in step 3 the first…

A

NADH is produced

Q

rate limiting enzyme for the citric acid cycle

A

Isocitrate dehydrogenase

Q

step 4

A

succinyl CoA and CO2 formation

Q

step 4 reduces…

A

NAD+ to NADH

Q

step 5

A

succinate formation

Q

the only reaction to directly produce ATP is…

A

step 5 (GTP formation–> ADP)

Q

step 6

A

fumarate formation

Q

in step 6…

A

FAD is reduced to FADH2

Q

step 7

A

malate formation

Q

step 8

A

oxaloacetate formed again

Q

in step 8…

A

NAD+ is reduced to NADH

Q

the citric acid cycle produces…

A

3NADH, 2CO2, FADH2, GTP

Q

Control points of the citric acid cycle

A

citrate synthase, isocitrate dehydrogenase, a-ketoglutarate dehydrogenase

Q

CPCSIDKD

A

call police call steve immediately dad knows dat

Q

call steve

A

citrate synthase

Q

immediately dad

A

isocitrate dehydrogenase

Q

knows dat

A

a-ketoglutarate dehydrogenase

Q

inhibition occurs at steps…

A

pyruvate, 1, 3,4

Q

inhibition at pyruvate

A

inhibited by ATP, acetyl-CoA, and NADH

Q

inhibition at step 1

A

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

Q

inhibition at step 3

A

inhibited by ATP, NADH

Q

inhibition at step 4

A

inhibited by ATP, NADH, and succinyl-CoA

Q

steps requiring electron acceptors (PIKSM)

A

pyruvate, isocitrate, a-ketoglutarate, succinate, malate

Please I know shes mean