1. The body’s oxidation of glucose is commonly described as the burning of fuel.  Is this analogy correct?  Explain your answer.

2. A 30 year old male patient with emphazema goes to the hospital and is prescribed a urinalysis.  When the urinalysis test results are returned the patient’s urine has a low pH. How could the patient’s emphazema cause this test result?

3. You grow a human cell line in an isotonic solution and you look at it under a microscope and notice that it looks relatively round and normal.  You then transfer the cell into a solution containing a high amount of salt.  You then look under the microscope again and notice that the shape of the cell has changed.  What shape do you see under the microscope and why has the cell changed to this shape.