An organelle is a tiny cellular structure that performs specific functions within a cell. Organelles are embedded within the cytoplasm of eukaryotic and prokaryotic cells. In the more complex eukaryotic cells, organelles are often enclosed by their own membrane. Analogous to the body's internal organs, organelles are specialized and perform.

The UNESCO logo is seen during the opening of the 39th session of the General Conference of the United Nations Educational, Scientific and Cultural Organization (UNESCO) at their headquarters in.

Headquarters: Nairobi, Kenya The United Nations Environment Programme (UNEP) established in 1972, is the voice for the environment within the United Nations system. UNEP acts as a catalyst,.

World Trade Organization (WTO), International organization based in Geneva that supervises world trade. It was created in 1995 to replace the General Agreement on Tariffs and Trade (GATT). Like its predecessor, it aims to lower trade barriers and encourage multilateral trade. It monitors members’ adherence to GATT agreements and negotiates.