University:
Boston University
Course:
GRS BI 708 | Systems Developmental Biology
Academic year:

2021
Views:

393

Pages:

5
Author:

Kristopher Elliott

Student Guide: Cell Respiration Introduction: Jared, a CIA agent, has been poisoned by a criminal gang and has been rescued by Navy SEALs. As a Medical Toxicologist, you will learn the concepts of cellular respiration and perform an investigation to identify which poison has been used. You will then apply an antidote to save the agent. Vocabulary: As new vocabulary is introduced, the words are presented in the Gizmo as orange text - clicking the orange text opens the glossary page for that term. You can use the glossary at any point. 1. Launch the Gizmo and follow the instructions provided to collect data on Jared. The questions below are sequential. 2. What are Jared's symptoms? 3. Define "cellular respiration" 4. Mitochondria need two "inputs" for respiration to work. What are these? Explain how your body obtains each of these. input source 5. Write the (unbalanced) overall reaction of cellular respiration. Follow the Gizmo to help you balance it. 6. Notice that ATP is NOT part of the reactants side...where do you think it "comes from"? GLYCOLYSIS 7. Define glycolysis. What enters this series of reactions? What is the final output? 8. Every chemical reaction, including the reactions that happen inside a living organism, requires an initial input of energy. The energy needed to start the "payout" in glycolysis is coming from... KREBS CYCLE 9. NADH and FADH2 are high-energy electron carriers. They have two main functions in cellular respiration. List these below: 10. By the end of Krebs cycle all the carbon brought in by glucose is gone. Where is it? How do YOU get rid of it? Steps of Cellular Respiration Process Uses Glycolysis Krebs Cycle ETC ATP Synthase Makes ELECTRON TRANSPORT CHAIN 11. If you were to take a pH reading and compare the intermembrane space to the mitochondrial matrix (inner part of mitochondria), what would you expect? Explain your reasoning. 12. What is a proton gradient? Why is this important? 13. We cannot survive without plants, while they would be fine without us. Explain. One you are back to JARED'S CASE 14. Fill in the table below poison 2-deoxyglucose arsenic cyanide oligomycin mechanism of action how would this affect ATP production? 15. Why is it important to compare Jared's results to healthy muscle cell (control) data? Explain. Data from testing Jared’s muscle Healthy Jared’s Muscle Muscle cells Cells Pyruvate NADH H+ 2arsenic deoxyglucose cyanide oligomycin 16. On a separate piece of paper, make a concept map explaining how the four stages of cellular respiration are related. Insert a photograph of your mind map here. Don't forget to give it a caption! your photograph your caption 17. Optional extension: Write an autobiographical short story from the perspective of a proton carried be NADH 2.

Cell Respiration

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