Directly related questions
-
SPM.2.HL.TZ0.9c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
-
SPM.2.HL.TZ0.9c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
-
SPM.2.HL.TZ0.9c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
-
SPM.2.HL.TZ0.c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
Sub sections and their related questions
C1.2.1. ATP as the molecule that distributes energy within cells
NoneC1.2.2. Life processes within cells that ATP supplies with energy
NoneC1.2.3. Energy transfers during interconversions between ATP and ADP
-
21N.2.SL.TZ0.4b.ii:
Outline the use of ATP.
-
21N.2.SL.TZ0.4b.ii:
Outline the use of ATP.
-
21N.2.SL.TZ0.b.ii:
Outline the use of ATP.
C1.2.4. Cell respiration as a system for producing ATP within the cell using energy released from carbon compounds
- 22M.2.SL.TZ2.6b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 21M.2.SL.TZ1.2c: The process X uses oxygen and produces ATP. Identify the process X.
-
21N.2.SL.TZ0.4b.i:
State one process that produces ATP.
- 23M.2.SL.TZ2.7b: Explain how animal cells produce the ATP that they need.
- 22M.2.SL.TZ2.6b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.6b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.6b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.6b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.6b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 22M.2.SL.TZ2.b: The processes of photosynthesis and respiration have some factors in common and others differ....
- 21M.2.SL.TZ1.2c: The process X uses oxygen and produces ATP. Identify the process X.
- 21M.2.SL.TZ1.c: The process X uses oxygen and produces ATP. Identify the process X.
-
21N.2.SL.TZ0.4b.i:
State one process that produces ATP.
-
21N.2.SL.TZ0.b.i:
State one process that produces ATP.
- 23M.2.SL.TZ2.7b: Explain how animal cells produce the ATP that they need.
- 23M.2.SL.TZ2.b: Explain how animal cells produce the ATP that they need.
C1.2.5. Differences between anaerobic and aerobic cell respiration in humans
-
22M.2.HL.TZ2.3a:
Describe anaerobic respiration in humans and in yeast.
- 19N.1A.SL.TZ0.12: Which compound is a waste product of anaerobic respiration in humans? A. Carbon dioxide B....
-
19N.2.HL.TZ0.3d:
Using the following table, compare and contrast anaerobic cell respiration in yeasts and in humans. The first row has been completed as an example.
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
-
22M.2.HL.TZ2.3a:
Describe anaerobic respiration in humans and in yeast.
-
22M.2.HL.TZ2.a:
Describe anaerobic respiration in humans and in yeast.
- 19N.1A.SL.TZ0.12: Which compound is a waste product of anaerobic respiration in humans? A. Carbon dioxide B....
-
19N.2.HL.TZ0.3d:
Using the following table, compare and contrast anaerobic cell respiration in yeasts and in humans. The first row has been completed as an example.
-
19N.2.HL.TZ0.d:
Using the following table, compare and contrast anaerobic cell respiration in yeasts and in humans. The first row has been completed as an example.
- SPM.1A.SL.TZ0.6: What distinguishes aerobic respiration from anaerobic respiration in humans? A. Mitochondria are...
C1.2.6. Variables affecting the rate of cell respiration
- 19M.1B.SL.TZ1.2a.i: Outline how O2 consumption is measured using a respirometer.
- 19M.1B.SL.TZ1.2a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.2a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
-
19M.2.SL.TZ1.11:
Yeast cells, Saccharomyces cerevisiae, were incubated with and without glucose at three different temperatures for a period of four minutes, during which the rate of CO2 production was measured with a CO2 sensor.
[Source: © International Baccalaureate Organization 2019]
What conclusion can be drawn from the results of this experiment?
A. Yeast uses lipids rather than glucose in respiration at low temperatures.
B. Addition of glucose has a greater impact on rates of cell respiration at lower temperatures.
C. Rates of cell respiration increase with temperature.
D. More glucose is produced at higher temperatures.
- 19M.1B.SL.TZ1.a.i: Outline how O2 consumption is measured using a respirometer.
- 19M.1B.SL.TZ1.a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
- 19M.1B.SL.TZ1.a.i: Outline how O2 consumption is measured using a respirometer.
- 19M.1B.SL.TZ1.a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
- 19M.1B.SL.TZ1.a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
- 19M.1B.SL.TZ1.a.i: Outline how O2 consumption is measured using a respirometer.
- 19M.1B.SL.TZ1.a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
- 19M.1B.SL.TZ1.a.i: Outline how O2 consumption is measured using a respirometer.
- 19M.1B.SL.TZ1.a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
- 19M.1B.SL.TZ1.a.i: Outline how O2 consumption is measured using a respirometer.
- 19M.1B.SL.TZ1.a.ii: Suggest one conclusion that can be drawn from the results shown in the graph.
- 19M.1B.SL.TZ1.a.iii: Other than humidity, suggest a variable that would need to be controlled in this experiment.
-
19M.2.SL.TZ1.11:
Yeast cells, Saccharomyces cerevisiae, were incubated with and without glucose at three different temperatures for a period of four minutes, during which the rate of CO2 production was measured with a CO2 sensor.
[Source: © International Baccalaureate Organization 2019]
What conclusion can be drawn from the results of this experiment?
A. Yeast uses lipids rather than glucose in respiration at low temperatures.
B. Addition of glucose has a greater impact on rates of cell respiration at lower temperatures.
C. Rates of cell respiration increase with temperature.
D. More glucose is produced at higher temperatures.
C1.2.7. Role of NAD as a carrier of hydrogen and oxidation by removal of hydrogen during cell respiration
NoneC1.2.8. Conversion of glucose to pyruvate by stepwise reactions in glycolysis with a net yield of ATP and reduced NAD
NoneC1.2.9. Conversion of pyruvate to lactate as a means of regenerating NAD in anaerobic cell respiration
- 23M.1A.SL.TZ1.9: What is a consequence of anaerobic cell respiration in muscles? A. Large yield of readily...
- 23M.1A.SL.TZ1.13: What is a consequence of anaerobic cell respiration in muscles? A. Large yield of readily...
- 23M.1A.SL.TZ1.9: What is a consequence of anaerobic cell respiration in muscles? A. Large yield of readily...
- 23M.1A.SL.TZ1.13: What is a consequence of anaerobic cell respiration in muscles? A. Large yield of readily...
C1.2.10. Anaerobic cell respiration in yeast and its use in brewing and baking
-
21M.1A.HL.TZ2.11:
The graph shows the results of an experimental investigation that compared the rates at which lactose, glucose and galactose are broken down in the process of anaerobic cellular respiration by the yeast Torulopsis cremoris.
[Source: Rogosa, M., 1948 Mechanism of the Fermentation of Lactose by Yeasts. Journal of Biological Chemistry, 175, p.418. (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/.]
What can be concluded from these results?
A. Cellular respiration of lactose involves the production of glucose and galactose.
B. The breakdown of glucose and galactose occurs more slowly in the presence of lactose.
C. The rate of cellular respiration is greater for glucose than for lactose and galactose.
D. The percentage of sugar remaining after 42 hours is greater for galactose than glucose.
-
22M.2.HL.TZ2.3a:
Describe anaerobic respiration in humans and in yeast.
-
19N.2.HL.TZ0.3d:
Using the following table, compare and contrast anaerobic cell respiration in yeasts and in humans. The first row has been completed as an example.
- 21M.1A.SL.TZ1.11: What is a difference between aerobic respiration and anaerobic respiration in yeast? A....
- 23M.1A.SL.TZ2.12: Which equation represents a process in yeast that causes bread to rise? A. Glucose + oxygen →...
-
21M.1A.HL.TZ2.11:
The graph shows the results of an experimental investigation that compared the rates at which lactose, glucose and galactose are broken down in the process of anaerobic cellular respiration by the yeast Torulopsis cremoris.
[Source: Rogosa, M., 1948 Mechanism of the Fermentation of Lactose by Yeasts. Journal of Biological Chemistry, 175, p.418. (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/.]
What can be concluded from these results?
A. Cellular respiration of lactose involves the production of glucose and galactose.
B. The breakdown of glucose and galactose occurs more slowly in the presence of lactose.
C. The rate of cellular respiration is greater for glucose than for lactose and galactose.
D. The percentage of sugar remaining after 42 hours is greater for galactose than glucose.
-
22M.2.HL.TZ2.3a:
Describe anaerobic respiration in humans and in yeast.
-
22M.2.HL.TZ2.a:
Describe anaerobic respiration in humans and in yeast.
-
19N.2.HL.TZ0.3d:
Using the following table, compare and contrast anaerobic cell respiration in yeasts and in humans. The first row has been completed as an example.
-
19N.2.HL.TZ0.d:
Using the following table, compare and contrast anaerobic cell respiration in yeasts and in humans. The first row has been completed as an example.
- 21M.1A.SL.TZ1.11: What is a difference between aerobic respiration and anaerobic respiration in yeast? A....
- 23M.1A.SL.TZ2.12: Which equation represents a process in yeast that causes bread to rise? A. Glucose + oxygen →...
C1.2.11. Oxidation and decarboxylation of pyruvate as a link reaction in aerobic cell respiration
-
19N.1A.HL.TZ0.30:
The diagram shows the link reaction between glycolysis and the Krebs cycle.
[Source: © International Baccalaureate Organization 2019]
Which type of reaction is occurring?
A. Pyruvate is carboxylated.
B. CO2 is oxidized.
C. NAD+ is reduced.
D. Pyruvate is phosphorylated.
-
21M.1A.HL.TZ1.29:
Which equation is an example of decarboxylation?
A. Pyruvate Acetyl CoA + CO2
B. CO2 + H2O H2CO3
C. CH4 + 2O2 CO2 + 2H2O
D.
-
19M.1A.HL.TZ1.30:
The electron micrograph shows a section through part of an animal cell.
[Source: https://en.wikipedia.org/wiki/Mitochondrion#/media/File:Mitochondria,mammalian_lung_-TEM.jpg,
by Louisa Howard.]Which process is occurring on the structures labelled X?
A. The Krebs cycle
B. The link reaction
C. Glycolysis
D. Phosphorylation of ADP
-
19N.1A.HL.TZ0.30:
The diagram shows the link reaction between glycolysis and the Krebs cycle.
[Source: © International Baccalaureate Organization 2019]
Which type of reaction is occurring?
A. Pyruvate is carboxylated.
B. CO2 is oxidized.
C. NAD+ is reduced.
D. Pyruvate is phosphorylated.
-
21M.1A.HL.TZ1.29:
Which equation is an example of decarboxylation?
A. Pyruvate Acetyl CoA + CO2
B. CO2 + H2O H2CO3
C. CH4 + 2O2 CO2 + 2H2O
D.
-
19M.1A.HL.TZ1.30:
The electron micrograph shows a section through part of an animal cell.
[Source: https://en.wikipedia.org/wiki/Mitochondrion#/media/File:Mitochondria,mammalian_lung_-TEM.jpg,
by Louisa Howard.]Which process is occurring on the structures labelled X?
A. The Krebs cycle
B. The link reaction
C. Glycolysis
D. Phosphorylation of ADP
C1.2.12. Oxidation and decarboxylation of acetyl groups in the Krebs cycle with a yield of ATP and reduced NAD
-
21M.1A.HL.TZ1.29:
Which equation is an example of decarboxylation?
A. Pyruvate Acetyl CoA + CO2
B. CO2 + H2O H2CO3
C. CH4 + 2O2 CO2 + 2H2O
D.
- 20N.1A.HL.TZ0.31: Two reactions of the Krebs cycle are shown. What type of reactions are isocitrate and...
-
19M.1A.HL.TZ2.15:
The diagram shows compounds in the Krebs cycle labelled as X, Y and Z.
[Source: © International Baccalaureate Organization 2019]
How many carbon atoms are there in Y and in the acetyl group of acetyl CoA?
-
19M.1A.HL.TZ1.30:
The electron micrograph shows a section through part of an animal cell.
[Source: https://en.wikipedia.org/wiki/Mitochondrion#/media/File:Mitochondria,mammalian_lung_-TEM.jpg,
by Louisa Howard.]Which process is occurring on the structures labelled X?
A. The Krebs cycle
B. The link reaction
C. Glycolysis
D. Phosphorylation of ADP
-
21M.1A.HL.TZ1.29:
Which equation is an example of decarboxylation?
A. Pyruvate Acetyl CoA + CO2
B. CO2 + H2O H2CO3
C. CH4 + 2O2 CO2 + 2H2O
D.
- 20N.1A.HL.TZ0.31: Two reactions of the Krebs cycle are shown. What type of reactions are isocitrate and...
-
19M.1A.HL.TZ2.15:
The diagram shows compounds in the Krebs cycle labelled as X, Y and Z.
[Source: © International Baccalaureate Organization 2019]
How many carbon atoms are there in Y and in the acetyl group of acetyl CoA?
-
19M.1A.HL.TZ1.30:
The electron micrograph shows a section through part of an animal cell.
[Source: https://en.wikipedia.org/wiki/Mitochondrion#/media/File:Mitochondria,mammalian_lung_-TEM.jpg,
by Louisa Howard.]Which process is occurring on the structures labelled X?
A. The Krebs cycle
B. The link reaction
C. Glycolysis
D. Phosphorylation of ADP
C1.2.13. Transfer of energy by reduced NAD to the electron transport chain in the mitochondrion
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
-
19M.1A.HL.TZ1.30:
The electron micrograph shows a section through part of an animal cell.
[Source: https://en.wikipedia.org/wiki/Mitochondrion#/media/File:Mitochondria,mammalian_lung_-TEM.jpg,
by Louisa Howard.]Which process is occurring on the structures labelled X?
A. The Krebs cycle
B. The link reaction
C. Glycolysis
D. Phosphorylation of ADP
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
- 21M.1A.HL.TZ2.30: What molecule functions as the final electron acceptor in the mitochondrial electron transport...
-
19M.1A.HL.TZ1.30:
The electron micrograph shows a section through part of an animal cell.
[Source: https://en.wikipedia.org/wiki/Mitochondrion#/media/File:Mitochondria,mammalian_lung_-TEM.jpg,
by Louisa Howard.]Which process is occurring on the structures labelled X?
A. The Krebs cycle
B. The link reaction
C. Glycolysis
D. Phosphorylation of ADP
C1.2.14. Generation of a proton gradient by flow of electrons along the electron transport chain
-
22M.2.HL.TZ1.7c:
Explain the role of the electron transport chain in the generation of ATP by cell respiration.
-
22M.2.HL.TZ1.7c:
Explain the role of the electron transport chain in the generation of ATP by cell respiration.
-
22M.2.HL.TZ1.c:
Explain the role of the electron transport chain in the generation of ATP by cell respiration.
C1.2.15. Chemiosmosis and the synthesis of ATP in the mitochondrion
- 22M.1A.HL.TZ2.30: The mitochondrion in the electron micrograph shows some features that make it efficient for its...
- 21N.1A.HL.TZ1.30: Where are protons pumped, to allow chemiosmosis in aerobic respiration to occur? A. From outside...
- 19M.1A.HL.TZ1.31: Which process is common to photosynthesis and cell respiration? A. Photolysis B. The Calvin...
- 20N.2.HL.TZ0.3b: Explain how ATP is generated in mitochondria by chemiosmosis.
- 22M.1A.HL.TZ2.30: The mitochondrion in the electron micrograph shows some features that make it efficient for its...
- 22M.1A.HL.TZ2.30: The mitochondrion in the electron micrograph shows some features that make it efficient for its...
- 22M.1A.HL.TZ2.30: The mitochondrion in the electron micrograph shows some features that make it efficient for its...
- 22M.1A.HL.TZ2.30: The mitochondrion in the electron micrograph shows some features that make it efficient for its...
- 22M.1A.HL.TZ2.30: The mitochondrion in the electron micrograph shows some features that make it efficient for its...
- 21N.1A.HL.TZ1.30: Where are protons pumped, to allow chemiosmosis in aerobic respiration to occur? A. From outside...
- 19M.1A.HL.TZ1.31: Which process is common to photosynthesis and cell respiration? A. Photolysis B. The Calvin...
- 20N.2.HL.TZ0.3b: Explain how ATP is generated in mitochondria by chemiosmosis.
- 20N.2.HL.TZ0.b: Explain how ATP is generated in mitochondria by chemiosmosis.
C1.2.16. Role of oxygen as terminal electron acceptor in aerobic cell respiration
-
SPM.2.HL.TZ0.9c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
- 23M.1A.HL.TZ2.26: Which part of aerobic respiration directly involves oxygen molecules? A. Conversion of glucose...
-
SPM.2.HL.TZ0.9c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
-
SPM.2.HL.TZ0.9c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
-
SPM.2.HL.TZ0.c:
Rotenone is a naturally occurring toxin that blocks the electron transport chain in insects and fish. Outline the consequences of exposure to a toxin like rotenone for cell respiration.
- 23M.1A.HL.TZ2.26: Which part of aerobic respiration directly involves oxygen molecules? A. Conversion of glucose...