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BIO 041 > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

Reactants of cellular respiration

A

C6H12O6 + 6O2

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2
Q

Products of cellular respiration

A

6CO2 + 6H2O + E

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3
Q

What does cellular respiration do?

A

release energy that is used to create ATP

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4
Q

what reactions make up cellular respiration

A

catabolic reactions

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5
Q

The first stage of cellular respiration

A

Glycolysis

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6
Q

Where does glycolysis occur?

A

cytoplasm

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7
Q

Second stage of cellular respiration

A

Acetyl-CoA synthesis

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8
Q

Where does Acetyl- CoA synthesis occur?

A

mitochondrial matrix

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9
Q

Third stage of cellular respiration

A

Kreb’s cycle (aka citric acid cycle)

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10
Q

where does the krebs cycle occur?

A

mitochondrial matrix

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11
Q

what is the fourth and final stage of cellular respiration

A

electron transport chain (aka oxidative phosphorylation)

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12
Q

where does the electron transport chain occur?

A

inner mitochondrial membrane

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13
Q

How much ATP does cellular respiration produce

A

32

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14
Q

oxidation

A

loses electrons (OIL -> Oxidation Is Losing)

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15
Q

reduction

A

gains electrons (RIG -> Reduction is Gaining)

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16
Q

oxidation in cellular respiration

A

glucose -> 6CO2

17
Q

reduction in cellular respiration

A

6O2 -> 6H2O

18
Q

oxidation reactions

A

release energy and form products with less potential energy

19
Q

reduction reactions

A

require energy and form products with more potential energy

20
Q

electron acceptor (also functions as an oxidizing agent in electron carriers)

A

NAD+

21
Q

what occurs during glycolysis

A

-breakdown of glucose to make pyruvate
- a modest amount of energy is released

22
Q

what occurs during Acetyl CoA Synthesis

A
  • pyruvate converted to acetyl-coenzyme A
  • CO2 is produced
23
Q

what occurs during Kreb’s cycle?

A
  • pyruvate is oxidized to oxalate to produce ATP and energy carriers (NADH and FADH2)
  • Acetyl- CoA is broken down
  • more CO2 released
24
Q

How do cells harvest energy in glucose molecules?

A

oxidative phosphorylation

25
Q

chemiosmosis

A

moving ions/proteins to the other side of the biological membrane

26
Q

What does Atp Synthase do?

A

converts energy of proton gradient into energy of ATP

27
Q

Subunits of ATP Synthase

A
  • F1 catalyzes the synthesis of ATP
  • F0 forms a channel that rotates as protons pass through it
28
Q

chemical energy in stages 1-3 is transferred to two types of energy-storing molecules

A
  • ATP
  • Electron Carriers
29
Q

What does Oxidative phosphorylation

A
  • electron carriers donate the high energy electrons to the electron transport chain (generates ATP)

BIO 041 (12 decks)

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