Why Is It Difficult to Develop Drugs That Specifically Target

Multiple Choice

Why is it difficult to develop drugs that specifically target parasitic fungi in human hosts?

A) There are insufficient numbers of test subjects for developing drugs because parasitic fungi are lethal to humans.
B) Fungal haustoria are embedded within human cells and are therefore difficult for drugs to reach.
C) Thick cell walls composed of chitin prevent drugs from being absorbed by the fungus.
D) Most antibiotics are obtained from fungi, making them resistant to these compounds.
E) The relatively close relationship between fungi and animals makes it difficult to find drugs that target unique features of fungal metabolism.