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CHEM233 Lec > Chapter 10 Pt.3 - Citric Acid Cycle > Flashcards

Chapter 10 Pt.3 - Citric Acid Cycle Flashcards

1
Q

aerobic respiration occurs in ___

A

mitochondrion

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2
Q

propose that mitochondria were once separate organisms

A

endosymbiotic theory

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3
Q

first step of cellular respiration

A

glycolysis

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4
Q

other names for the citric acid cycle

A

Krebs Cycle

Tricarboxylic Acid Cycle

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5
Q

a cellular process that harnesses the reduction of oxygen to generate high-energy phosphate bonds in the form of adenosine triphosphate (ATP)

A

oxidative phospohorylation

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6
Q

___ enters the citric acid cycle at the start

A

acetyl-CoA

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7
Q

Step 1:

A

transfer of acetyl group

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8
Q

Step 1 Reactions

A

oxaloacetate -> cintrate synthase -> citrate

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9
Q

Step 2

A

isomerization

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10
Q

Step 2 Reactions (this is a continuation after step 1)

A

aconitase -> cis-aconitate & isocitrate

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11
Q

Step 3

A

oxidation/decarboxylation

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12
Q

Step 3 Reactions (this is a continuation after step 2)

A

isocitrate dehydrogenase

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13
Q

Step 4

A

rejoining with CoA

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14
Q

Step 4 Reactions (this is a continuation after step 3)

A

ketoglutarate dehydrogenase

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15
Q

Step 5

A

formation of GTP

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16
Q

Step 5 Reactions (this is a continuation after step 4)

A

succinyl-CoA synthetase

17
Q

Step 6

A

oxidation by FAD

18
Q

Step 6 Reactions (this is a continuation after step 5)

A

succinate dehydrogenase -> fumarate

19
Q

Step 7

A

hydration

20
Q

Step 7 Reactions (this is a continuation after step 6)

A

fumarase -> malate

21
Q

Step 8

A

final oxidation

22
Q

Step 8 Reactions (this is a continuation after step 7)

A

malate dehydrogenase -> acetyl Coa

23
Q

glycolysis equation

A

glucose -> 2 pyruvate + 2 ATP

24
Q

citric acid cycle equation

A

pyruvate -> 3 NADH + FADH2 + ATP

CHEM233 Lec (12 decks)

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