Cellular Respiration Study Guide

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Cellular Respiration Study Guide

1. What is cellular respiration?
Cellular respiration is the process by which cells get their energy from food. It is a pathway where ATP is produced from the working cells.

2. What are the raw materials for cellular respiration?
The raw materials are glucose and oxygen.

3. What is the simple reaction for cellular respiration?
C6H12O6+6O2=6CO2+6H2O+Energy

4. Why is it not practical for an organism to release all of the energy in glucose at once? There wouldn’t be any energy left to repeat cellular respiration and create more energy.

5. List and briefly describe the events of the stages of respiration? Glycolysis is where glucose is split into two molecules of 3-carbon sugars. This produces 2ATP, 2 pyruvic acid, and 2 high energy. In The Citric Acid Cycle, Acetyl CoA is created. NAD and FAD are reduced carrying the high energy electrons to the next stage. In the Electron Transport, high energy electrons are passed to oxygen where ATP is then produced.

6. What are the three stages of cellular respiration in the correct order? Glycolysis, The Citric Acid Cycle, and Electron Transport.

7. What is released during cellular respiration?
Energy stored in the chemical bonds of glucose.

8. How many molecules of ATP do you get from 1 molecule of glucose in cellular respiration? 28-30 molecules of ATP.

9. What part of cellular respiration occurs in the cytoplasm? Glycolysis

10. What is the net gain of ATP from glycolysis alone?
2 is the net gain of ATP.

11. What is the starting molecule for glycolysis?
Glucose 6-carbon sugar

12. What are the two main types of fermentation?
Lactic acid fermentation and alcohol fermentation.
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