Sumanasinc cellular respiration

Cellular Respiration WebQuest

DIRECTIONS: As you work through the WebQuest, click on the links to find answers to the questions.

Part I: Function and Equation for Cellular Respiration

Click on the following link, watch the video, “Cellular Respiration: The Big Picture and answer the questions below. http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration.html

1. Write a definition for cellular respiration in your own words.

2. What living things carry on the process of cellular respiration?

3. Cellular respiration requires _________________.

4. ______________ and _________________ are released during cellular respiration.

5. Identify the inputs (reactants) of cellular respiration.

6. Identify the outputs (products) of cellular respiration.

7. How does the inputs & outputs for cellular respiration compare with the inputs & outputs of photosynthesis?

8. What is ATP? Why is it an important product of cellular respiration?

9. List the 3 main steps of cellular respiration.

Click on Cellular Respiration: Glycolysis. Watch the video and answer the questions below.

http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration_glycolysis.html

1. Where does glycolysis take place in the cell?

2. During glycolysis, ________________ is split in half.

3. What are the 2 phases of glycolysis? Briefly explain each phase.

4. What is the difference between NAD ⁺ and NADH?

5. At the end of glycolysis, glucose is broken down into 2 molecules of ___________________.

6. Glycolysis also produces _____ water molecules.

7. The net products of glycolysis are ______ ATP and ________ NADH per molecules of glucose.

Click on Cellular Respiration: Citric Acid Cycle. Watch the video and answer the questions below.

http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration_citric_acid_cycle.html

1. Where does the citric acid cycle take place in the cell?

2. During citric acid cycle, _________________ is removed from the pyruvate and eventually released from the body.

3. Briefly describe what happens during the citric acid cycle.

4. Which 2 products from citric acid cycle enter the next phase of cellular respiration?

5. The electron transport chain requires __________________ to operate.

6. The citric acid cycle and electron transport chain will shut down if __________________ disappears.

7. During which phase of cellular respiration is most of the ATP produced?

Click on Cellular Respiration: Electron Transport Chain. Watch the video and answer the questions below.

http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration_etc.html

1. What is the last step of cellular respiration?

2. Where does this step take place?

3. Briefly describe what happens during the electron transport chain.

4. If oxygen is not present during the electron transport chain, then _________________ cannot be produced.

5. Why is cyanide such a deadly poison?

6. What would happen to cells if they did not receive ATP?

Now, watch this video to see what happens when OXYGEN is not available and answer the questions below.

https://www.youtube.com/watch?v=6-D1oes63_U

1. What is another name for anaerobic respiration?

2. What is fermentation?

3. Name 2 types of fermentation and briefly describe each type.

4. How many ATP are produced through aerobic respiration?

5. How many ATP are produced through anaerobic respiration?

6. Why is fermentation important?

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