What does a carrier molecule enhance in drug delivery systems?

A carrier molecule plays a crucial role in drug delivery systems by enhancing the targeting of therapeutic agents to specific sites in the body. This targeted delivery is vital in optimizing the efficacy of a drug while minimizing side effects, as it ensures that the therapeutic agent reaches the intended location more effectively.

Carrier molecules, which can include liposomes, nanoparticles, or other biocompatible compounds, can be designed to recognize and bind to specific cells or tissues. They often take advantage of biological markers or receptors found on the target cells, which allows for more precise delivery of the therapeutic substance. This targeted approach is particularly important in treatments for diseases like cancer, where the goal is to deliver drugs directly to tumor cells while sparing healthy cells from unnecessary exposure.

In contrast, the other factors listed do not primarily relate to the function of carrier molecules in enhancing targeted delivery. While stability, absorption rate, and even taste are important considerations in drug formulation and delivery, they are not the primary roles of carrier molecules in targeting therapeutic agents effectively.