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Transcript
Cellular Respiration/Fermentation Review Sheet 1. Write the chemical equation for cellular respiration. Circle the reactants and underline the products. C6H12O6 + O2 CO2 + H2O + ATP (ENERGY) 2. Where in the cell does cellular respiration occur? MITOCHONDRIA 3. Label the parts of the mitochondria - outer membrane, inner membrane, cristae (folds on the inner membrane), fluid matrix INNER MEMBRANE OUTER MEMBRANE CRISTAE FILLED WITH FLUID MATRIX 4. Where do we get glucose from? THE FOOD WE EAT 5. What gas combines with glucose in order for glucose to break down? OXYGEN 6. What type of organisms carry out cellular respiration? ALL LIVING THINGS 7. What does cellular respiration produce for our cells? ENERGY 8. Where is the energy in glucose stored? ATP MOLECULES 9. What do humans & animals do with the CO2 produced when glucose breaks down? EXHALE AS A WASTE PRODUCT 10. What do plants do with the CO2 produced during cellular respiration? THEY STORE IT IN THEIR CELLS & USE IT FOR PHOTOSYNTHESIS 11. What do we do with the H2O produced when glucose breaks down? STORE IT, USE IT TO MAINTAIN CELL HEALTH, OR EXCRETE AS A WASTE PRODUCT 12. What do plants do with the H2O they produce during cellular respiration? THEY STORE IT IN THEIR CELLS & USE IT FOR PHOTOSYNTHESIS 13. Name 5 ways we use this energy. ANSWERS WILL VARY – ENERGY IS NEEDED TO DO EVERYTHING/SURVIVE! 14. What does glycolysis mean? BREAKING/SPLITTING GLUCOSE 15. Where in the cell does glycolysis occur? CYTOPLASM 16. What is glucose broken down into during glycolysis? PYRUVATE/PYRUVIC ACID 17. Does glycolysis need/require O2? NO 18. Is glycolysis an anaerobic or aerobic process? ANAEROBIC (WITHOUT OXYGEN) 19. Where do the ATP’s that start glycolysis (stage 1) come from? STORED ENERGY 20. What’s the function of the Krebs Cycle and Electron Transport Chain (stage 2)? TO MAKE ATP (ENERGY) 21. What does fermentation mean? RESPIRATION WITHOUT OXYGEN 22. Name the 2 types of fermentation. ALCOHOLIC & LACTIC ACID 23. What organisms carry out alcohol fermentation? 24. Does alcohol fermentation require oxygen? YEAST & BACTERIA NO (ANAEROBIC) 25. Why does bread dough rise? DURING FERMENTATION, THE YEAST PRODUCES CO2 26. After we exercise strenuously our muscles are sore. Why? WE EXERT/BURN ENERGY FASTER THAN WE ARE REPLACING IT AND IT CAUSES LACTIC ACID TO BUILD UP WITHIN OUR MUSCLES. OUR MUSCLE CELLS ARE FORCED TO PROVIDE ENERGY WITHOUT ENOUGH OXYGEN. 27. Does lactic acid fermentation require oxygen? 28. Does cellular respiration require oxygen? NO (ANAEROBIC) YES (AEROBIC) 29. How often does cellular respiration occur in our bodies? CONTINUOUSLY Complete the table. Answer the following questions in the appropriate box. Animals Plants How do these organisms obtain the oxygen they need for cellular respiration? BREATHE IT IN FROM THE ATMOSPHERE WITHIN PLANT TISSUES AS A RESULT OF PHOTOSYNTHESIS (SOME IS REALEASED, SOME IS STORED WITHIN THE CELLS OF THE PLANT) How do these organisms get the glucose they need for cellular respiration? HETEROTROPHS (CONSUME FROM PLANTS OR OTHER ANIMALS) AUTOTROPHS (MAKE IT DURING PHOTOSYNTHESIS) How do these organisms get the water they need for cellular respiration? STORED IN VACUOLES STORED IN VACUOLES What do these organisms do with the water made during cellular respiration? STORE IT, USE IT FOR CELLULAR ACTIVITY, EXCRETE IT AS A WASTE PRODUCT USE IT FOR PHOTOSYNTHESIS What do these organisms do with the carbon dioxide made during cellular respiration? EXHALE IT AS A WASTE PRODUCT USE IT FOR PHOTOSYNTHESIS What do these organisms do with the ATP’s made during cellular respiration? 40% USED FOR SURVIVAL AND CELLULAR ACTIVITY 60% RELEASED AS HEAT STORE AND USE FOR SURVIVAL AND CELLULAR ACTIVITY