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Lipitor, a medication commonly used to treat high cholesterol, and antibiotics, which are used to treat infections, have distinct mechanisms of action and thus cannot be directly compared in terms of targeting cell walls and cholesterol.

Lipitor, also known as atorvastatin, is a type of drug called a statin. It works by inhibiting the HMG-CoA reductase enzyme, which plays a crucial role in the production of cholesterol in the body [1]. By reducing the production of cholesterol, Lipitor helps lower the levels of low-density lipoprotein (LDL), or "bad" cholesterol, and increase the levels of high-density lipoprotein (HDL), or "good" cholesterol, in the blood.

On the other hand, antibiotics have a different mechanism of action. They are used to treat infections caused by bacteria, and they work by targeting the cell walls of bacteria [2]. Antibiotics can disrupt the synthesis of the bacterial cell wall or interfere with other essential bacterial processes, leading to the death of the bacteria.

Therefore, while both Lipitor and antibiotics have important roles in treating medical conditions, their mechanisms of action are distinct and cannot be directly compared.

Sources:

1. "Atorvastatin." MedlinePlus, U.S. National Library of Medicine, medlineplus.gov/druginfo/meds/a601245.html.
2. "What Are Antibiotics?" National Institute of Allergy and Infectious Diseases, U.S. Department of Health and Human Services, www.niaid.nih.gov/research/antibiotics.