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Questions and Answers
What is the primary role of oxygen in aerobic respiration?
What is the primary role of oxygen in aerobic respiration?
- To produce carbon dioxide
- To produce carbon
- To produce nitrogen
- To aid in the conversion of glucose into energy (correct)
Which gas is produced in aerobic respiration?
Which gas is produced in aerobic respiration?
- Oxygen
- Carbon
- Carbon dioxide (correct)
- Nitrogen
Which gas is required in aerobic respiration?
Which gas is required in aerobic respiration?
- Oxygen (correct)
- Nitrogen
- Carbon
- Carbon dioxide
What happens to glucose in the absence of oxygen during respiration?
What happens to glucose in the absence of oxygen during respiration?
What are the major features associated with glycolysis, pyruvic oxidation, Krebs cycle, and electron transport chain?
What are the major features associated with glycolysis, pyruvic oxidation, Krebs cycle, and electron transport chain?
What is the main difference between aerobic and anaerobic respiration?
What is the main difference between aerobic and anaerobic respiration?
What is the final electron acceptor for the electron transport chain in aerobic cellular respiration?
What is the final electron acceptor for the electron transport chain in aerobic cellular respiration?
Which gas is needed to convert NADH to NAD in fermentation?
Which gas is needed to convert NADH to NAD in fermentation?
Which of the following is a product of alcohol fermentation?
Which of the following is a product of alcohol fermentation?
Which process uses yeast to produce wine?
Which process uses yeast to produce wine?
What is the final product of the electron transport chain in aerobic cellular respiration?
What is the final product of the electron transport chain in aerobic cellular respiration?
Which molecule is regenerated when NADH or FADH2 send their high-energy electrons to the electron transport chain?
Which molecule is regenerated when NADH or FADH2 send their high-energy electrons to the electron transport chain?
Where does the electron transport chain take place in the cell?
Where does the electron transport chain take place in the cell?
What is the main purpose of running in place as mentioned in the additional context?
What is the main purpose of running in place as mentioned in the additional context?
What is the significance of oxygen in aerobic cellular respiration?
What is the significance of oxygen in aerobic cellular respiration?
What happens if there is no NAD+ present to pick up electrons as the reactions continue?
What happens if there is no NAD+ present to pick up electrons as the reactions continue?
What is the primary role of oxygen in aerobic respiration?
What is the primary role of oxygen in aerobic respiration?
Which gas is needed to convert NADH to NAD in fermentation?
Which gas is needed to convert NADH to NAD in fermentation?
What happens to glucose in the absence of oxygen during respiration?
What happens to glucose in the absence of oxygen during respiration?
What is the main purpose of running in place as mentioned in the additional context?
What is the main purpose of running in place as mentioned in the additional context?
Which process uses yeast to produce wine?
Which process uses yeast to produce wine?
What is the final product of the electron transport chain in aerobic cellular respiration?
What is the final product of the electron transport chain in aerobic cellular respiration?
What is the final acceptor in the electron transport chain during aerobic cellular respiration?
What is the final acceptor in the electron transport chain during aerobic cellular respiration?
Which molecule is needed to convert pyruvic acid to acetyl coenzyme A?
Which molecule is needed to convert pyruvic acid to acetyl coenzyme A?
What gas is needed to convert NADH to NAD in fermentation?
What gas is needed to convert NADH to NAD in fermentation?
Which of the following processes uses yeast to produce wine?
Which of the following processes uses yeast to produce wine?
What is the final product of alcohol fermentation?
What is the final product of alcohol fermentation?
During aerobic cellular respiration, what happens if there is no NAD+ present to pick up electrons as the reactions continue?
During aerobic cellular respiration, what happens if there is no NAD+ present to pick up electrons as the reactions continue?
What role does oxygen play in aerobic cellular respiration?
What role does oxygen play in aerobic cellular respiration?
Where does the electron transport chain take place in a cell during aerobic cellular respiration?
Where does the electron transport chain take place in a cell during aerobic cellular respiration?
What happens if aerobic respiration takes place?
What happens if aerobic respiration takes place?
What gas is reduced to form water during aerobic cellular respiration?
What gas is reduced to form water during aerobic cellular respiration?
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Study Notes
Aerobic Respiration
- The primary role of oxygen in aerobic respiration is to act as the final electron acceptor, allowing the electron transport chain to generate ATP.
- Oxygen is required for aerobic respiration to take place.
- Carbon dioxide is the gas produced in aerobic respiration.
Absence of Oxygen
- In the absence of oxygen, glucose is converted to lactic acid or ethanol through fermentation.
Features of Respiration Pathways
- Glycolysis: occurs in the cytoplasm, breaks down glucose into pyruvate, and generates ATP and NADH.
- Pyruvic oxidation: converts pyruvate into acetyl-CoA, producing NADH and CO2.
- Krebs cycle: generates ATP, NADH, and FADH2 from acetyl-CoA.
- Electron transport chain: generates ATP using electrons from NADH and FADH2.
Aerobic vs Anaerobic Respiration
- The main difference between aerobic and anaerobic respiration is the presence or absence of oxygen, respectively.
Electron Transport Chain
- The final electron acceptor for the electron transport chain is oxygen.
- The final product of the electron transport chain is ATP.
- The electron transport chain takes place in the mitochondria.
Fermentation
- Fermentation requires oxygen to convert NADH to NAD.
- The final product of alcohol fermentation is ethanol and CO2.
Other Key Facts
- NAD+ is required to pick up electrons as the reactions continue in aerobic cellular respiration.
- If there is no NAD+ present, the reactions will stop.
- Running in place, as mentioned in the additional context, is an example of aerobic respiration taking place.
- Oxygen is essential for generating ATP during aerobic cellular respiration.
- Coenzyme A is needed to convert pyruvic acid to acetyl-CoA.
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