Home > Where We Work > Regions > North America > United States > Rhode Island > Places We Protect > Visit Block Island in Rhode Island. Because of the hard work of many individuals, and an assembly of conservation organizations, over 43% of Block Island is protected for plants, animals, and people. Â© The Nature Conservancy.
Pharmacologists study the actions of drugs in the intestinal tract, the brain, the muscles, and the liver-just a few of the most common areas where drugs travel during their stay in the body. Of course, all of our organs are constructed from cells, and inside all of our cells are genes.
These antibiotics generally do not affect human cells and therefore have few side effects. However, actinomycete metabolites such as adriamycin, prevent DNA replication, and are used in the treatment of cancer, while rapamycin is used to suppress the immune system to enable organ transplants.