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Go to Section:. Interest Grabber Feel the Burn Do you like to run, bike, or swim? These all are good ways to exercise. When you exercise, your body uses.

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Presentation on theme: "Go to Section:. Interest Grabber Feel the Burn Do you like to run, bike, or swim? These all are good ways to exercise. When you exercise, your body uses."— Presentation transcript:

1 Go to Section:

2 Interest Grabber Feel the Burn Do you like to run, bike, or swim? These all are good ways to exercise. When you exercise, your body uses oxygen to get energy from glucose, a six-carbon sugar. Section 9-1 1.How does your body feel at the start of exercise, such as a long, slow run? How do you feel 1 minute into the run; 10 minutes into the run? 2.What do you think is happening in your cells to cause the changes in how you feel? 3.Think about running as fast as you can for 100 meters. Could you keep up this pace for a much longer distance? Explain your answer.

3 Go to Section: OVERALL EQUATION C 6 H 12 O 6 + 6O 2  6CO 2 + 6H 2 O + energy(ATP) Glucose + Oxygen  Carbon Dioxide + Water + ATP (Adenosine triphosphate)

4 Go to Section: Section Outline 9–1Chemical Pathways A.Chemical Energy and Food B.Overview of Cellular Respiration C.Glycolysis 1.ATP Production 2.NADH Production D.Fermentation 1.Alcoholic Fermentation 2.Lactic Acid Fermentation Section 9-1

5 Go to Section: Section Outline 9–2The Krebs Cycle and Electron Transport A.The Krebs Cycle B.Electron Transport C.The Totals D.Energy and Exercise 1.Quick Energy 2.Long-Term Energy E.Comparing Photosynthesis and Cellular Respiration Section 9-2

6 Go to Section: ORGANELLE OF FOCUS

7 Go to Section: Glucose Glycolysis Cytoplasm Pyruvic acid Electrons carried in NADH Krebs Cycle Electrons carried in NADH and FADH 2 Electron Transport Chain Mitochondrion Figure 9–2 Cellular Respiration: An Overview Mitochondrion Section 9-1

8 Go to Section: Glucose Glycolysis Krebs cycle Electron transport Fermentation (without oxygen) Alcohol or lactic acid Chemical Pathways Section 9-1

9 Go to Section: Flowchart Section 9-2 Glucose (C 6 H 12 0 6 ) + Oxygen (0 2 ) Glycolysis Krebs Cycle Electron Transport Chain Carbon Dioxide (CO 2 ) + Water (H 2 O) Cellular Respiration

10 Go to Section: Glucose To the electron transport chain Figure 9–3 Glycolysis Section 9-1 2 Pyruvic acid

11 Go to Section: Glucose To the electron transport chain Figure 9–3 Glycolysis Section 9-1 2 Pyruvic acid

12 Go to Section: Glucose To the electron transport chain Figure 9–3 Glycolysis Section 9-1 2 Pyruvic acid

13 Go to Section: Citric Acid Production Figure 9–6 The Krebs Cycle Section 9-2 Mitochondrion

14 Go to Section: Citric Acid Production Figure 9–6 The Krebs Cycle Section 9-2 Mitochondrion

15 Go to Section: CHECK FOR UNDERSTANDING BEFORE WE GO ANY FURTHER – SEE HOW WELL YOU UNDERSTAND THE FIRST TWO STEPS IN CELLULAR RESPIRATION: Answer the questions in your notes, use your textbook Ch9.

16 Go to Section: Figure 9–7 Electron Transport Chain Section 9-2 Electron Transport Hydrogen Ion Movement ATP Production ATP synthase Channel Inner Membrane Matrix Intermembrane Space Mitochondrion

17 Go to Section: Summary Chart InputStepOutputsATPs Total ATPS________

18 Go to Section: SUMMARY

19 Go to Section: WHAT IF THERE ISN’T ANY OXYGEN? CELLUAR RESPIRATION: Anaerobic (fermentation) *yeast cells = alcohol production *muscle cells = lactic acid production

20 Go to Section: Glucose Pyruvic acid Lactic acid Figure 9–4 Lactic Acid Fermentation Section 9-1

21 Go to Section: Glucose Pyruvic acid Lactic acid Figure 9–4 Lactic Acid Fermentation Section 9-1

22 Go to Section: Glucose Pyruvic acid Lactic acid Figure 9–4 Lactic Acid Fermentation Section 9-1

23 Go to Section: Pros and Cons of Lactic Acid Fermentation Pros – your muscle will keep working even without sufficient oxygen

24 Go to Section: Cons – you feel it, lactic acid causes sore muscles and cramping Your body will get rid of lactic acid – it diffuses into blood and goes to liver where it is converted back to pyruvic acid – ready for O 2 LIVER

25 Go to Section: RECAP 6C 6 H 12 O 6 + 6O 2  6CO 2 + 6H 2 O + energy (ATP) GLUCOSE becomes… CO 2 Oxygen is needed… to accept the electrons at the end of ETC CO 2 goes… into blood, lungs, exhaled Water is produced when… O 2 collects enough e- and H+ to become water ATP is produced… in glycolysis, Kreb Cycle and mainly in ETC due to chemiosmosis

26 Go to Section: Pyruvic acid is made … at the end of glycolysis (3C) NADH and FADH 2 carry … Electrons and H+ to the ETC Protons (H+) build up in the …due to… Intermembrane space, ETC pushing them out ATP synthase allows H+ to … and … Back into the matrix, produces ATPs If no oxygen, yeast produce… ethanol If no oxygen, muscle cells produce… Lactic acid

27 Go to Section: The ETC produces... 34 ATPs In aerobic respiration, Pyruvic acid is converted to… Acetyl CoA The molecule that must be recycled in the Kreb cycle is… Oxaloacetic acid The break down of one glucose gives… 38 total ATP

28 Go to Section: Autotrophs… Make their own food/chemical energy Heterotrophs… Must eat other things to obtain chemical energy Aerobic respiration requires… Oxygen

29 Go to Section: VIDEO LINKS FROM FOOD TO ATP Cellular Respiration Overview

30 Video Contents Click a hyperlink to choose a video. Aerobic Respiration Glycolysis Krebs Cycle, Part 1 Krebs Cycle, Part 2 Electron Transport Chain, Part 1 Electron Transport Chain, Part 2

31 Video 1 Click the image to play the video segment. Video 1 Aerobic Respiration

32 Video 2 Click the image to play the video segment. Video 2 Glycolysis

33 Video 3 Click the image to play the video segment. Video 3 Krebs Cycle, Part 1

34 Video 4 Click the image to play the video segment. Video 4 Krebs Cycle, Part 2

35 Video 5 Click the image to play the video segment. Video 5 Electron Transport Chain, Part 1

36 Video 6 Click the image to play the video segment. Video 6 Electron Transport Chain, Part 2

37 Internet Links from the authors on Creatine Share kimchi lab data Interactive test For links on cellular respiration, go to www.SciLinks.org and enter the Web Code as follows: cbn-3091.www.SciLinks.org For links on the Krebs cycle, go to www.SciLinks.org and enter the Web Code as follows: cbn-3092.www.SciLinks.org Go Online

38 End of Custom Shows This slide is intentionally blank.


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