TCA cycle Flashcards

1
Q

The first reaction in the TCA cycle is _____ with ____ converted to ____ via ______

A

Oxaloacetate, Acetyl-CoA, Citrate Synthase

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2
Q

What drives the first reaction of TCA cycle forward?

A

Hydrolysis of Acetyl-CoA Thioester

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3
Q

The second enzyme of the TCA cycle is ___

A

Aconitase

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4
Q

What is the second step in TCA Cycle?

A

Conversion of Citrate to Isocitrate via aconitase

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5
Q

What is the third step in the TCA cycle?

A

Conversion of Isocitrate to alpha-ketoglutarate via isocitrate dehydrogenase, generates NADH

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6
Q

What reaction proceeds similarly to pyruvate dehydrogenase and why?

A

The decarboxylation of alpha-ketoglutarate into Succinyl-CoA

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7
Q

______ reactions deplete the components of the cycle

A

Cataplerotic

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8
Q

_____ reactions replenish components of the cycle

A

Anaplerotic

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