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.
Siberia. Siberia is located in the northern-central part of Asia, largely in Russia. This vast region constituting almost all of northern Asia is an Arctic Tundra. Its proximity to the Arctic Ocean explains its presence in the tundra zone.Its natural landscape is sparsely populated amidst its vast plains.iberia. Siberia is located in the northern-central part of Asia, largely in Russia. This vast region constituting almost all of northern Asia is an Arctic Tundra. Its proximity to the Arctic Ocean explains its presence in the tundra zone. Its natural landscape is sparsely populated amidst its vast plains.