Cellular Respiration Worksheet 1. Where in the cell does each reaction take place? - Glycolysis – - Fermentation – - Acetyl CoA formation – - Krebs Cycle – - ETC – 2. Name the Reactant and Products for each reaction - Glycolysis Reactants: ____________________________________ Products: ____________________________________ - Fermentation Reactants: ____________________________________ Products: ____________________________________ - Acetyl CoA formation Reactants: ____________________________________ Products: ____________________________________ - Krebs Cycle Reactants: ____________________________________ Products: ____________________________________ - ETC Reactants: ____________________________________ Products: ____________________________________ 1 3. Give some examples of electron carriers. ____________, _____________ Specifically, what part of the molecule are the electrons located (ex: what bond)? 4. Give an example of an energy carrying molecules. ___________ Specifically, what part of the molecule is the energy located (ex: what bond)? 5. Specifically, in which reaction is oxygen used in cellular respiration? …What molecule forms after reacting with oxygen? 6. Specifically, in which two reactions is CO2 released in cellular respiration? _________________ & ___________________ 7. In which reaction is most of the ATP made? _______________ 8. What is the main purpose of fermentation? 9. Why does bread have holes? 10. In what process beer/wine made? What is the live organism that does this? ______________ 2 11. Do humans do fermentation? Why? 12. What limits us from doing cellular respiration? 13. What would limit some prokaryotic cell from doing cellular respiration? 14. How are photosynthesis & cellular respiration related? 15. Circle which evolved first: Photosynthesis 3 Cellular Respiration