A Research Team Is Working on the Design of a New

Multiple Choice

A research team is working on the design of a new drug for the treatment of lung cancer. To be most effective, this drug must specifically enter the cytoplasm of lung cells while not entering the cells of other tissues. Which of the following characteristics would likely enhance the specificity of this drug?

A) The relative hydrophobicity of the drug molecule.
B) Phospholipid composition of lung cell plasma membranes.
C) Specificity of the drug molecule for binding to the extracellular matrix of lung cells.
D) Similarity of the drug molecule to other molecules normally transported in lung cells.