Chapter 7 Flashcards

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1
Q

Cellular respiration

A

Biochemical pathway for extracting energy from chemical bonds in gluclose
(ATP)

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2
Q

Which organisms do cellular respiration

A

Animals, plants, many fungi, protists and prokaryotes

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3
Q

Chemical reaction summary of C/R

A

C6H12O6 + 6O2 ∆ 6CO2 + 6H2O + ATP

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4
Q

Stages of C\R

A

Glycolysis
Transition step
Krebs cycle
E.T.C

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5
Q

Krebs cycle is aka

A

Citric acid cycle

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6
Q

Where does glycolysis occur

A

Cytoplasm

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7
Q

What are the end products of glycolysis

A

2 Pyruvate
4 ATP (net)
2 NADH

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8
Q

What are the reactants of glycolysis

A

Gluclose
2 ATP
2 NAD+

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9
Q

Transition step moves what to where

A

Pyruvate to acetyl CoA from cytoplasm to mitochondria

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10
Q

What are the reactants of transition step

A

Pyruvate
3NAD+
Coenzyme A

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11
Q

What are the products of transition step

A

CO2
NADH
Acetyl CoA

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12
Q

Where does Krebs Cycle occur

A

Mitochondria

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13
Q

What are the reactants of Krebs cycle

A

1 Acetyl CoA
3 NAD+
1 FAD
1 ADP

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14
Q

What are the products of Krebs cycle

A

2 CO2
3 NADH
1 FADH_2
1 ATP
Coenzyme A

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15
Q

Where does the ETC occur

A

Between the inner matrix and intermembrane space of mitochondria

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16
Q

What are the reactants of ETC

A

Electron carriers NADH, FADH_2
O2
Protons

17
Q

What are the products of ETC

A

Water
ATP
Proton gradient
NAD+
FAD

18
Q

What is driven/moved by portion gradient

A

ATP Synthase

19
Q

Theoretical ATP output of C/R per gouclose

A

36 ATP

20
Q

Real life output from C/R per gluclose

A

30-32 ATP

21
Q

What happens to C/R if there is no oxygen

A

Krebs cycle and ETC shut down
Glycolysis can keep going

22
Q

What must happen to keep glycolysis going with a lack of oxygen

A

Fermentation

23
Q

What are the products of fermentaion

A

ATP
NADH
Pyruvate
Lactate (animals)
CO2 and Ethanol (plants and yeast)