Question

directions: answer the following questions with a, b, or c. choices may be used more than once. some answers will have more than one letter
a. glycolysis b. krebs cycle c. electron transport chain

1. produces the most atp
2. aerobic
3. glucose goes into this process
4. atp is made
5. takes place in the matrix
6. oxygen is required
7. takes place in the inner membrane
8. co₂ is produced
9. anaerobic
10. takes place in the cytoplasm
11. water is formed
12. electrons from glucose go here
13. takes place in the mitochondria
14. converts glucose into pyruvate

Explanation:

• 9. Produces the most ATP: The electron transport chain (ETC) is responsible for the majority of ATP production in cellular respiration. It generates a large number of ATP molecules through oxidative phosphorylation.
• 10. Aerobic: Both the Krebs cycle and the electron transport chain require oxygen to function. Glycolysis can occur anaerobically (without oxygen), but the full aerobic respiration process includes these two steps.
• 11. Glucose goes into this process: Glycolysis is the first step in cellular respiration where glucose is broken down into pyruvate.
• 12. ATP is made: All three processes (glycolysis, Krebs cycle, and electron transport chain) produce ATP, although the electron transport chain produces the most.
• 13. Takes place in the matrix: The Krebs cycle occurs in the mitochondrial matrix.
• 14. Oxygen is required: As mentioned earlier, the Krebs cycle and the electron transport chain are aerobic processes that require oxygen.
• 15. Takes place in the inner membrane: The electron transport chain is located in the inner mitochondrial membrane.
• 16. \(CO_2\) is produced: The Krebs cycle produces carbon dioxide as a by - product.
• 17. Anaerobic: Glycolysis can occur in the absence of oxygen (anaerobic conditions).
• 18. Takes place in the cytoplasm: Glycolysis occurs in the cytoplasm of the cell.
• 19. Water is formed: The electron transport chain combines electrons and protons with oxygen to form water.
• 20. Electrons from glucose go here: The electrons from glucose are transferred through the electron transport chain.
• 21. Takes place in the mitochondria: The Krebs cycle and the electron transport chain occur within the mitochondria. Glycolysis occurs in the cytoplasm.
• 22. Converts glucose into pyruvate: Glycolysis is the process that converts glucose into pyruvate.

Answer:

1. C. electron transport chain
2. B. Krebs cycle, C. electron transport chain
3. A. glycolysis
4. A. glycolysis, B. Krebs cycle, C. electron transport chain
5. B. Krebs cycle
6. B. Krebs cycle, C. electron transport chain
7. C. electron transport chain
8. B. Krebs cycle
9. A. glycolysis
10. A. glycolysis
11. C. electron transport chain
12. C. electron transport chain
13. B. Krebs cycle, C. electron transport chain
14. A. glycolysis