Each of the following statements concerning the gram-positive cell wall is true except
a) it contains teichoic acids.
b) it is sensitive to penicillin.
c) it protects the cell in a hypertonic environment.
d) it is sensitive to lysozyme.
e) it maintains the shape of the cell.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.