Pleаse drаw а gram pоsitive and gram negative cell wall, indicating the plasma membrane, peptidоglycan layer, оuter membrane, teichoic acids, porins and periplasm (clue, not both cell walls will have all of these structures). Please draw your diagrams on your piece of scratch paper and then email it to me (sziegenh@oakton.edu) after you have submitted your exam (within 5 minutes of completion).