Unit 2.2 Cellular Respiration Flashcards

1
Q

Produced by the breakdown of pyruvate

A

Acetyl Group

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2
Q

A substrate that can be used for respiration instead of carbohydrate

A

Alternative Respiratory Substances

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3
Q

High energy compound used for energy transfer in cells

A

Adenosine Tri-Phosphate

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4
Q

The chemical reaction which causes the release of energy from a respiratory substrate

A

Cellular Respiration

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5
Q

The first substance produced in the citric acid cycle

A

Citrate

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6
Q

Second stage of aerobic respiration, takes place in the central matrix of the mitochondria.

A

Citric Acid Cycle

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7
Q

A substance that carries an acetyl group into the citric acid cycle

A

Coenzyme A

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8
Q

Removes hydrogen from its substrate, important in the citric acid cycle.

A

Dehydrogenase Enzymes

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9
Q

Collection of proteins attached to a membrane.

A

Electron Transport Chain

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10
Q

Hydrogen carriers, important in the Citric Acid Cycle

A

FAD and NAD

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11
Q

Occurs when there is no oxygen present/ in anaerobic conditions

A

Fermentation

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12
Q

The first stage of cellular respiration, takes place in the cytoplasm

A

Glycolysis

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13
Q

Electrons that can yield energy as they are passed through an electron transport chain.

A

High Energy Electrons

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14
Q

A substance produced during a metabolic pathway, between the substrate and the end product

A

Intermediates

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15
Q

Produced in animal cells when oxygen is absent

A

Lactate

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16
Q

Substance that combines with the acetyl group in the citric acid cycle to form citrate

A

Oxaloacetate

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17
Q

Used to phosphorylate ADP

A

Inorganic Phosphate

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18
Q

The addition of a phosphate group to a substance

A

Phosphorylation

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19
Q

The end product of glycolysis

A

Pyruvate

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20
Q

The substrate usually broken down during cellular respiration

A

Glucose

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21
Q

The enzyme which catalyses the regeneration of ATP from ADP + Pi

A

ATP Synthase

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22
Q

The stage of glycolysis where there is a regeneration of 4 ATP molecules

A

Pay off Stage

23
Q

The stage of glycolysis where 2 ATP molecules are broken down to release energy

A

Energy Investment Stage

24
Q

The final products of respiration in the absence of oxygen in plant and yeast cells

A

Ethanol and Carbon Dioxide

25
The final hydrogen acceptor in the electron transport chain
Oxygen
26
The final product formed when Hydrogen joins with the final acceptor in the electron transport chain.
Water
27
Alternative respiratory substrates
Fats and Proteins
28
Acetyl Group
Produced by the breakdown of pyruvate
29
Alternative Respiratory Substances
A substrate that can be used for respiration instead of carbohydrate
30
Adenosine Tri-Phosphate
High energy compound used for energy transfer in cells
31
Cellular Respiration
The chemical reaction which causes the release of energy from a respiratory substrate
32
Citrate
The first substance produced in the citric acid cycle
33
Citric Acid Cycle
Second stage of aerobic respiration, takes place in the central matrix of the mitochondria.
34
Coenzyme A
A substance that carries an acetyl group into the citric acid cycle
35
Dehydrogenase Enzymes
Removes hydrogen from its substrate, important in the citric acid cycle.
36
Electron Transport Chain
Collection of proteins attached to a membrane.
37
FAD and NAD
Hydrogen carriers, important in the Citric Acid Cycle
38
Fermentation
Occurs when there is no oxygen present/ in anaerobic conditions
39
Glycolysis
The first stage of cellular respiration, takes place in the cytoplasm
40
High Energy Electrons
Electrons that can yield energy as they are passed through an electron transport chain.
41
Intermediates
A substance produced during a metabolic pathway, between the substrate and the end product
42
Lactate
Produced in animal cells when oxygen is absent
43
Oxaloacetate
Substance that combines with the acetyl group in the citric acid cycle to form citrate
44
Inorganic Phosphate
Used to phosphorylate ADP
45
Phosphorylation
The addition of a phosphate group to a substance
46
Pyruvate
The end product of glycolysis
47
Glucose
The substrate usually broken down during cellular respiration
48
ATP Synthase
The enzyme which catalyses the regeneration of ATP from ADP + Pi
49
Pay off Stage
The stage of glycolysis where there is a regeneration of 4 ATP molecules
50
Energy Investment Stage
The stage of glycolysis where 2 ATP molecules are broken down to release energy
51
Ethanol and Carbon Dioxide
The final products of respiration in the absence of oxygen in plant and yeast cells
52
Oxygen
The final hydrogen acceptor in the electron transport chain
53
Water
The final product formed when Hydrogen joins with the final acceptor in the electron transport chain.
54
Fats and Proteins
Alternative respiratory substrates