Welcome to Westonci.ca, where finding answers to your questions is made simple by our community of experts. Get immediate answers to your questions from a wide network of experienced professionals on our Q&A platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

One of the choices below is true for all of the following: penicillins, cephalosporins, monobactam, and carbapenems.
Group of answer choices
A. Is the presence of Beta lactam ring
B. Is the absence of Beta lactam ring
C. Is the presence of an amine group
D. Is the same ancestor