2.2.10.H Respiration

Follow-Me – iQuiz

Q. Explain the role of ADP in relation to the small amount of energy released during the first stage of respiration.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. What is the first stage process of respiration called?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. What is the final product of the first stage of respiration under aerobic conditions?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. If conditions in a human muscle cell become anaerobic pyruvic acid is converted to another substance. Name this other

substance.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. To what is pyruvic acid (pyruvate) converted under anaerobic conditions in yeast?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. Under aerobic conditions pyruvate is converted to an acetyl group and a small molecule is released. Name this small

molecule.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. In the first stage of respiration there is a release of ATP as glucose is converted to another substance. Name this other

substance.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. In aerobic respiration the acetyl group enters a cycle of reactions. What name is given to this cycle?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Name a compound to which pyruvate (pyruvic acid) may be converted, in the absence of oxygen.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. In what part of the cell does the second stage of respiration take place?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. In the mitochondrion pyruvate is broken down to CO2 and a two-carbon compound. Name this two-carbon compound.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Give one product, other than electrons, of the reactions in Kreb’s cycle.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. For what is ATP an abbreviation?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. The electrons released in Kreb's Cycle pass along a transport chain and release energy. To what use is this energy put?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. To what are the electrons transferred at the end of the electron transport chain in aerobic respiration?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Where in the cell does the first stage of respiration occur?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. In Stage 2 of respiration electrons pass along an electron transport chain, releasing energy. In what molecule is this energy

stored?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Name the group of protein molecules that control the rate of respiration.

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. What is fermentation?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Is oxygen required for the first stage of respiration?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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Q. C6H12O6 + 6O2 ENERGY + 6CO2 + 6H2OIs this the equation for photosynthesis or respiration?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. How did you know that fermentation had ceased?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Is oxygen required for the second stage of respiration?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

CONGRATULATIONS

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Q. Where does Kreb’s cycle take place?

Acetyl Co-enzyme A

Cytoplasm; Cytosol

CO2; ATP; H+ (Protons)

Carbon dioxide

Glycolysis

First stage uses energy; Combines with phosphate; To form ATP; ATP stores energy in

high energy bond

Ethanol & CO2

Enzymes

Lactic acid

No

Oxygen; H+ (Protons)

Photosynthesis

Krebs cycle

Yes

Respiration

Pyruvic acid; Pyruvate

To form ATP

Adenosine Triphosphate

Lactic acid; Ethanol & CO2

Anaerobic respiration; Respiration that produces lactic

acid or ethanol &CO2

Mitochondrion

Bubbling stopped

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