49. How many molecules of CO2 are needed to generate one molecule of glucose?   

20. In animals that take in oxygen from their environment, glucose is broken down into carbon dioxide and water in a process called  

23.  What stage of cellular respiration can occur in human cells with or without oxygen present?  

38.  The splitting of water and the generation of oxygen occur where?  

25. Membrane proteins are not very soluble or has a fear to mix with or in water  are known as ________________ .  

3. A drug binds to the active site of an enzyme. If it is bound to the active site of the enzyme, it prevents substrate binding. This drug would be considered a  

22. All of the reactions of cellular respiration that occur after glycolysis take place in what part of the eukaryotic cell?  

36. Where do the carbon atoms in glucose come from?  

32. What is the net number of ATP generated directly during glycolysis per molecule of glucose?  

27. Pyruvate oxidation in eukaryotic cells occurs in the ________.