Cellular Respiration Worksheet With Answer Key printable pdf download

Cellular Respiration Worksheet With Answer Key

Cellular Respiration Worksheet 1

1. What are the 3 phases of the cellular respiration process? Glycolysis, Krebs Cycle, Electron Transport

Chain.

2. Where in the cell does the glycolysis part of cellular respiration occur?Cytoplasm

3. Where in the cell does the Krebs (Citric Acid) cycle part of cellular respiration occur? Mitochondrion

4. Where in the cell does the electron transport part of cellular respiration occur? Mitochondrion

5. How many ATP (net)are made in the glycolysis part of cellular respiration? 2 ATP

6. How many ATP are made in the Kreb’s cycle part of cellular respiration? 2ATP

7. How many ATP are made in the electron transport part of cellular respiration? 32-34 ATP

8. In which phase of cellular respiration is carbon dioxide made? Krebs Cycle

9. In which phase of cellular respiration is water made? Electron Transport System (Chain). It picks up the

hydrogens and makes water.

10. In which phase of cellular respiration is oxygen a substrate (an input)? Electron Transport System (Chain)

11. In which phase of cellular respiration is glucose a substrate (an input)?

Glycolysis

12. What would happen to the cellular respiration process if the enzyme for one step of the process

were missing or defective? Entire process would stop and would producing all ATP anaerobically.

13. What is the overall reaction for fermentation in yeast? Glucose

Alcohol + CO

+ 2 ATP + heat

14. What is the overall reaction for lactic acid fermentation? Glucose

Lactic Acid + 2 ATP + heat

15. Only a small part of the energy released from the glucose molecule during glycolysis is stored in

ATP. How is the rest of the energy released? (HINT: It is a product in the overall reaction for

cellular respiration.)

It is released as heat.

Cellular Respiration Worksheet With Answer Key