How Everolimus (Afinitor) Works. Everolimus (Afinitor, made by Novartis Pharmaceuticals) is an oral compound cancer treatment, and classified as a signal transduction inhibitor â specifically, an inhibitor of the mTOR protein that controls other proteins known to trigger tumor growth.
Description. The tundra is the coldest of the biomes. It also receives low amounts of precipitation, making the tundra similar to a desert. Tundra is found in the regions just below the ice caps of the Arctic, extending across North America, to Europe, and Siberia in Asia. Much of Alaska and about half of Canada are in the tundra biome. Tundra is also found at the tops of very high mountains elsewhere in the world.
Taiga The taiga biome is found in the northern hemisphere close to the polar region. This cold biome (see climograph) stretches across the northern portions of North America, Europe, and Asia.Large population centers, such as Moscow and Toronto, can be found in the southern portion of this biome, but the northern portion is relatively unpopulated. Photo 2000-www.arttoday.com.his cold biome (see climograph) stretches across the northern portions of North America, Europe, and Asia. Large population centers, such as Moscow and Toronto, can be found in the southern portion of this biome, but the northern portion is relatively unpopulated. Photo 2000-www.arttoday.com.