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- C) Antibiotic resistance in microbial antagonism and therapeutic use - Chapter 12 Continued NDM-1 carrying bacteria are resistant to antibiotics that inhibit PG synthesis enzymes. MRSA stands for Methicillin Resistant Staphylococcus aureus. It is resistant to all Beta-lactam antibiotics. KPC stands for Klebsiella pneumoniae Carbapenemase, which is an enzyme that inactivates the antibiotic carbapenem and all other Beta- lactam antibiotics Instructions: 1. Make a Concept Map or table (handwritten) of the mechanisms of resistance of the above three types of resistant bacteria. Indicate or provide a short explanation of how each mechanism of resistance acquired. 2. Answer this Question (handwritten): How do populations of bacteria evolve to become resistant over time, and why does this process happen relatively quickly?