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Name______________________________________________________________________Date__________________Period______ Unit IV Cell Energy Worksheet I. Labeling - Label the diagram below. Include the correct number of molecules where appropriate, for example 6CO2. Hint: Look in your notes at the equations – this will help you with the number of molecules. C6H12O6 ___________________________________(Aerobic) ______ ______ ____ net ATP Cytosol _________________ Anaerobic (Does not use ______) Produces Mitochondria In Muscle cells Produces In yeast cells Produces Produces II. Fill-In-the Blank: 1. Write the number of ATP molecules produced by each process listed below. Then add up these numbers to get the total number of ATP molecules produced when one glucose molecule is broken down by cellular respiration. ______ ATP made in Glycolysis + ______ ATP made in Krebs cycle +______ ATP made in the Electron Transport Chain =______ ATP total for the breakdown of one glucose molecule during cellular respiration 2. Fill in the chart using your notes or the diagram above. Process Where does it Aerobic or Occur? anaerobic? Step 1: Glycolysis Step 2: Oxidative Resp: - Krebs Cycle Step 2: Oxidative Resp: - ETC Step 2: Alcoholic Fermentation Step 2: Lactic Acid Fermentation Reactants (needed to start the process) Products (end result of the process) 3. Most eukaryotic cells produce about ________________________ ATP molecules per glucose molecule. 4. What is the process by which glucose is converted into pyruvic acid? ___________________________________________________. 5. With every turn of the Krebs Cycle, how many ATP Molecules are made? ______. So, each glucose produces _____ ATP in Kreb’s cycle. 6. What is the primary waste product of the Krebs Cycle? _________. What happens to this product? ____________________________. 7. When pyruvic acid is converted into carbon dioxide and ethanol (alcohol), the process is called _______________________________. 8. The electron transport chain is driven by two products of the Krebs Cycle - ____________________ and _____________________. 9. Write the balanced chemical equation for cellular respiration. Label “reactants” and “products”. ____________________________________________-->_____________________________________________________________ 10. What do the molecules NADH and FADH2 transfer to the ETC? _____________________________________________________. 11. What is the main purpose of the ETC?__________________________________________________________________________ 12. Why is oxygen important to the ETC?_________________________________________________________________________ 13. Write the equation for photosynthesis. Label each side of the equation as “reactants” or “products”. ______________________________________________-->___________________________________________________________ 14. What is the relationship between photosynthesis and cellular respiration?_______________________________________________ 15. What organisms use alcoholic fermentation? ____________________________________________________________________ Match the following terms with their meaning or purpose. Items can be used more than once. _______16. charged battery A. Cytoplasm _______17. molecule that stores and transports energy in the cell B. Anaerobic _______18. C6H12O6 C. Autotroph _______19. C3H6O3 (1/2 a glucose molecule) D. Chloroplast _______20. CO2 E. Mitochondria _______21. gas that is the product of photosynthesis and is a reactant in cellular respiration F. ADP _______22. gas that is a waste product of cellular respiration and a reactant in photosynthesis G. ATP _______23. organelle where cellular respiration occurs H. Aerobic I. Heterotroph _______24. organelle where photosynthesis occurs J. Chlorophyll _______25. location in cell where glycolysis and fermentation takes place K. Pyruvic Acid _______26. Glucose is broken down into two molecules called __in the process called glycolysis L. Glucose _______27. green pigment in plants that absorbs light energy for plants to use M. Carbon dioxide _______28. uncharged battery N. Oxygen _______29. term describing a process that requires oxygen to happen _______30. term describing a process happens only in the absence of oxygen _______31. has three phosphate groups _______32. organisms such as plants that can make their own food _______33. organisms like animals that can not make their own food, they must consume food to get energy _______34. adenosine triphosphate _______35. organelle where the energy in food is handed over to ATP _______36. mushrooms are classified as ___, because they live off of dead or decaying organisms to get energy _______37. has only two phosphate groups (has less energy)